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adj
noun
- (geometry) A planar geometrical figure included between two concentric circles.
- (colloquial) A telephone call.
- (typography) A diacritical mark in the shape of a hollow circle placed above or under the letter; a kroužek.
- Any loud sound; the sound of numerous voices; a sound continued, repeated, or reverberated.
- In a jack plug, the connector between the tip and the sleeve.
- (Internet) Ellipsis of webring.
- A circular group of people or objects.
- (astronomy) A formation of various pieces of material orbiting around a planet or young star.
- (vulgar) The rectum, anus, or anal sphincters.
- (historical) An instrument, formerly used for taking the sun's altitude, consisting of a brass ring suspended by a swivel, with a hole at one side through which a solar ray entering indicated the altitude on the graduated inner surface opposite.
- (chemistry) A group of atoms linked by bonds to form a closed chain in a molecule.
- A piece of food in the shape of a ring.
- An exclusive group of people, usually involving some unethical or illegal practices.
- (mathematical analysis, measure theory) A family of sets that is closed under finite unions and set-theoretic differences.
- (historical) An old English measure of corn equal to the coomb or half a quarter.
- The resonant sound of a bell, or a sound resembling it.
- A chime, or set of bells harmonically tuned.
- (algebra) An algebraic structure as above, but only required to be a semigroup under the multiplicative operation, that is, there need not be a multiplicative identity element.
- (figuratively) A sound or appearance that is characteristic of something.
- A long stripe of contrastive material, colour, etc, that encircles something.
- (computing theory) A hierarchical level of privilege in a computer system, usually at hardware level, used to protect data and functionality (also protection ring).
- (British) A large circular prehistoric stone construction such as Stonehenge.
- A circumscribing object, (roughly) circular and hollow, looking like an annual ring, earring, finger ring etc.
- A place where some sports or exhibitions take place; notably a circular or comparable arena, such as a boxing ring or a circus ring; hence the field of a political contest.
- (jewelry) A round piece of (precious) metal worn around the finger or through the ear, nose, etc.
- (algebra) An algebraic structure which consists of a set with two binary operations: an additive operation and a multiplicative operation, such that the set is an abelian group under the additive operation, a monoid under the multiplicative operation, and such that the multiplicative operation is distributive with respect to the additive operation.
- (networking) A network topology where connected devices form a circular data channel. All computers on the ring can see every message, and there are no collisions, and a single point of failure will occur if any part of the ring breaks.
- (firearms) Either of the pair of clamps used to hold a telescopic sight to a rifle.
- (figuratively) A pleasant or correct sound.
- (UK) A burner on a kitchen stove.
- The open space in front of a racecourse stand, used for betting purposes.
- (cartomancy) The twenty-fifth Lenormand card.
- (botany) A flexible band partly or wholly encircling the spore cases of ferns.
- (UK) A bird band, a round piece of metal put around a bird's leg used for identification and studies of migration.
- (mathematics, order theory) A family of sets closed under finite union and finite intersection.
- a strip of material attached to the leg of a bird to identify it (as in studies of bird migration)
- a platform usually marked off by ropes in which contestants box or wrestle
- (chemistry) a chain of atoms in a molecule that forms a closed loop
- an association of criminals
- a rigid circular band of metal or wood or other material used for holding or fastening or hanging or pulling
- a characteristic sound
- jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger
- the sound of a bell ringing
- a toroidal shape
verb
- (transitive) To enclose or surround.
- (intransitive) to resound, reverberate, echo.
- (transitive) To attach a ring to, especially for identification.
- To ring up (enter into a cash register or till)
- (intransitive, figuratively) To produce the sound of a bell or a similar sound.
- (transitive, colloquial, British, Australia, New Zealand) To telephone (someone).
- (Australia, transitive) To ride around (a group of animals, especially cattle) to keep them milling in one place; hence (intransitive), to work as a drover, to muster cattle.
- (transitive, figuratively) To make an incision around; to girdle; to cut away a circular tract of bark from a tree in order to kill it.
- (transitive) To make (a bell, etc.) produce a resonant sound.
- (transitive) To surround or fit with a ring, or as if with a ring.
- (intransitive) Of a bell, etc., to produce a resonant sound.
- (transitive) To steal and change the identity of (cars) in order to resell them.
- (transitive) To produce (a sound) by ringing.
- (falconry) To rise in the air spirally.
- (intransitive) To produce music with bells.
- (intransitive, figuratively) Of something spoken or written, to appear to be, to seem, to sound.
- sound loudly and sonorously
- ring or echo with sound
- attach a ring to the foot of, in order to identify
- get or try to get into communication (with someone) by telephone
- make (bells) ring, often for the purposes of musical edification
- extend on all sides of simultaneously; encircle
noun
- (algebraic geometry) An algebraic curve; a polynomial relation of the planar coordinates.
- (informal, usually in the plural) The attractive shape of a woman's body.
- (analytic geometry) A continuous map from a one-dimensional space to a multidimensional space.
- (topology) A one-dimensional continuum.
- (geometry) A one-dimensional figure of non-zero length; the graph of a continuous map from a one-dimensional space.
- A gentle bend, such as in a road.
- A simple figure containing no straight portions and no angles; a curved line.
- (nonstandard, by extension) A grading system where all raw scores are raised by a set amount of points.
- A grading system based on the scale of performance of a group used to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject.
- a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
- curved segment (of a road or river or railroad track etc.)
- a line on a graph representing data
- the trace of a point whose direction of motion changes
- the property possessed by the curving of a line or surface
verb
- (transitive) To bend; to crook.
- (transitive) To grade on a curve (bell curve of a normal distribution).
- (intransitive) To bend or turn gradually from a given direction.
- (transitive) To cause to swerve from a straight course.
- (transitive, slang) To reject, to turn down romantic advances.
- extend in curves and turns
- form an arch or curve
- bend or cause to bend
- form a curl, curve, or kink
- turn sharply; change direction abruptly
adj
- (algebraic geometry, scheme theory, of a morphism of schemes) Such that the induced map on every stalk is flat (as a map of rings).
- (not comparable, commerce) Of fees, fares etc., fixed; unvarying.
- Smooth; having no protrusions, indentations or other surface irregularities, or relatively so.
- (golf, of a golf club) Having a head at a very obtuse angle to the shaft.
- At a consistently depressed level; consistently lacklustre.
- (of colours) Without variation in tone or hue (uniform), and dull (not glossy).
- (algebra, ring theory, of a ring homomorphism) Such that its target, regarded as a module over its source, is flat (as above).
- (music, note) Lowered by one semitone.
- In a horizontal line or plane; not sloping.
- (juggling, of a throw) Without spin; spinless.
- (authorship, figuratively, especially of a character) Lacking in depth, substance, or believability; underdeveloped; one-dimensional.
- (horticulture, of certain fruits) Flattening at the ends.
- (slang) Having small or invisible breasts and/or buttocks.
- (phonetics, of a vowel) Not diphthongal; without variation in height or backness.
- (of a tire or other inflated object) Deflated, especially because of a puncture.
- (homological algebra, of a module) Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
- (of a battery) Unable to emit power; dead.
- (of measurements of time) Exact.
- Without variation in level, quantity, value, tone etc.
- Having no variations in height.
- (music) Of a note or voice, lower in pitch than it should be.
- (music, voice) Without variations in pitch.
- (figurative) Lacking liveliness or action; depressed; uninteresting; dull and boring.
- Absolute; downright; peremptory.
- (grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
- (wine) Lacking acidity without being sweet.
- (of coffee) Having little froth and little milk.
- (of a carbonated drink) With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
- sounded or spoken in a tone unvarying in pitch
- not reflecting light; not glossy
- having lost effervescence
- lacking contrast or shading between tones
- horizontally level
- stretched out and lying at full length along the ground
- having a relatively broad surface in relation to depth or thickness
- lacking taste or flavor or tang
- flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
- not modified or restricted by reservations
- commercially inactive
- lacking stimulating characteristics; uninteresting
- having a surface without slope, tilt in which no part is higher or lower than another
- (of a musical note) lowered in pitch by one chromatic semitone
- lacking the expected range or depth; not designed to give an illusion or depth
adv
- Completely, firmly, or unequivocally.
- Directly; flatly.
- (with units of time, distance, etc) Used to emphasize the smallness of the measurement.
- (finance, slang) Without allowance for accrued interest.
- Completely.
- (of accurately measured timings) Exactly, precisely.
- So as to be flat.
- (of a sentence) Without parole.
- with flat sails
- in a forthright manner; candidly or frankly
noun
- (American football) The areas behind the line of scrimmage to either side of an offensive football formation.
- (rail transport) A flat spot on the wheel of a rail vehicle.
- (publishing) A flat, glossy children's book with few pages.
- An area of level ground (sometimes covered with shallow or tidal water).
- (technical, theatre, stagecraft) A rectangular wooden structure covered with masonite, lauan, or muslin, often produced in standard modules, that is used to build wall surfaces on stage. Flats can be painted and outfitted with doors and/or windows to depict a building or other part of a scene, and are a hard-surfaced alternative to a backcloth or backdrop.
- (entomology) Any of various hesperiid butterflies that spread their wings open when they land.
- A flat sheet for use on a bed.
- (horse racing, with 'the' or attributively, sometimes with capital) Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.
- (postal) A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
- (music) A note played one chromatic semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪).
- (in the plural) A type of ladies' shoe with a very low heel.
- (informal, automotive) A flat tyre/flat tire.
- (painting) A thin, broad brush used in oil and watercolour painting.
- (optics) A flat (i.e. plane) mirror
- Ellipsis of flat ride (“spinning amusement ride”).
- A wide, shallow container or pallet.
- (geometry) A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
- (in the plural) A type of flat-soled running shoe without spikes.
- The most prominent flat part of something.
- A flat-bottomed boat, without keel, and of small draught.
- (swordfighting) The flat side of a blade, as opposed to the sharp edge.
- A straw hat, broad-brimmed and low-crowned.
- A platform on a wheel, upon which emblematic designs etc. are carried in processions.
- (Australia, horse racing, with 'the' or attributively, sometimes with capital) the area in the centre of a racecourse.
- (gambling, slang) A cheater's die with the edges shaved to make certain rolls more likely.
- (in the phrase 'the flat') Level ground in general.
- (historical) An early kind of toy soldier having a flat design.
- (US) Ellipsis of flat water (“nonfizzy drinking water”).
- (chiefly British, New England, South Africa, India, Australia, New Zealand, Singapore, archaic elsewhere) A complete domicile occupying only part of a building, especially one for rent
- (Canadian Prairies, British Columbia) A 24-case of beer.
- The palm of the hand, with the adjacent part of the fingers.
- (rail transport, US) A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
- (mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
- a shallow box in which seedlings are started
- a deflated pneumatic tire
- scenery consisting of a wooden frame covered with painted canvas; part of a stage setting
- a level tract of land
- a musical notation indicating one half step lower than the note named
- a suite of rooms usually on one floor of an apartment house
- freight car without permanent sides or roof
verb
- (transitive) To dash or throw
- (poker slang) To make a flat call; to call without raising.
- (intransitive) To become flat or flattened; to sink or fall to an even surface.
- (intransitive, music, colloquial) To fall from the pitch.
- (intransitive) To dash, rush
- (transitive, music) To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
verb
- (transitive, computer graphics) To flatten (a three-dimensional model) into a two-dimensional plane.
- (transitive, computing) To remove word wrap from.
- (intransitive) To become unwrapped.
- (transitive) To open or undo, as what is wrapped or folded.
- make known to the public information that was previously known only to a few people or that was meant to be kept a secret
- remove the outer cover or wrapping of
noun
noun
- (geometry) Such a figure in four dimensions; a tesseract.
- (computing) A computer architecture in which each processor is connected to n others, by analogy with a hypercube of n dimensions.
- (computing) A data cube with more than three dimensions.
- (geometry) A geometric figure in four or more dimensions, which is analogous to a cube in three dimensions. Specifically, the n-dimensional equivalent of a cube for any non-negative integer n.
adj
adj
noun
- (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
- (uncountable) Alternative form of four square.
- (countable, cryptography) A four-square cipher.
- (countable, architecture, US) A boxy style of domestic architecture with four rooms to a floor, one of which is usually a stair hall.
adj
adv
noun
- (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
- something approximating the shape of a square
- an open area at the meeting of two or more streets
- a formal and conservative person with old-fashioned views
- any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles
- someone who doesn't understand what is going on
- the product of two equal terms
- a hand tool consisting of two straight arms at right angles; used to construct or test right angles
- (real estate) A unit of measurement of area, equal to a 10 foot by 10 foot square, i.e. 100 square feet or roughly 9.3 square metres. Used in real estate for the size of a house or its rooms, though progressively being replaced by square metres in metric countries such as Australia.
- (geometry) A polygon with four straight sides of equal length and four right angles; an equilateral rectangle; a regular quadrilateral.
- (colloquial, US) Ellipsis of square meal.
- (brewing) A vat used for fermentation.
- (computing) A pattern to be matched that consists of a subpattern repeated, such as "papa" or "wikiwiki".
- (astrology) The position of planets distant ninety degrees from each other; a quadrate.
- (printing) A certain number of lines, forming a portion of a column, nearly square; used chiefly in reckoning the prices of advertisements in newspapers.
- (slang, MLE) A well-defined torso.
- (slang) Cigarette.
- (cricket) The central area of a cricket field, with one or more pitches of which only one is used at a time.
- (mathematics) The product of a number or quantity multiplied by itself; the second power of a number, value, term or expression.
- (often in street names or addresses) A street surrounding a public square or plaza.
- A cell in a grid.
- The relation of harmony, or exact agreement; equality; level.
- A square piece, part, or surface.
- An open space or park, often in the center of a town, not necessarily square in shape, often containing trees, seating and other features pleasing to the eye.
- (Canada, US) A dessert cut into rectangular pieces, or a piece of such a dessert.
- (roofing) A unit used in measuring roof area equivalent to 100 square feet (9.29 m²) of roof area. The materials for roofing jobs are often billed by the square in the United States.
- An L- or T-shaped tool used to place objects or draw lines at right angles.
- (British) The symbol # on a telephone; hash.
- The front of a woman's dress over the bosom, usually worked or embroidered.
- (military formation) A body of troops drawn up in a square formation.
- (academia) A mortarboard.
adj
- providing abundant nourishment
- rigidly conventional or old-fashioned
- leaving no balance
- without evasion or compromise
- having four equal sides and four right angles or forming a right angle
- characterized by honesty and fairness
- (cricket) In line with the batsman's popping crease.
- Used in the names of units of area formed by multiplying a unit of length by itself.
- Honest; straightforward; fair.
- (of box-shaped objects such as buildings or metal frames) Forming right angles in all planes as intended; not racked or leaning.
- (slang, derogatory) Socially conventional; boring.
- Satisfied; comfortable with; not experiencing any conflict.
- Solid, decent, substantial.
- Even; tied
- (automotive) Of an internal combustion engine design, in which the diameter of the piston is similar, roughly, approximately, equal to its stroke distance.
- Forming a right angle (90°).
- (nautical) Forming right angles with the mast or the keel, and parallel to the horizon; said of the yards of a square-rigged vessel when they are so braced.
- Having a shape broad for the height, with angular rather than curving outlines.
- Shaped like a square (the polygon).
adv
verb
- cause to match, as of ideas or acts
- make square
- be compatible with
- position so as to be square
- turn the oar, while rowing
- turn the paddle; in canoeing
- raise to the second power
- pay someone and settle a debt
- (soccer) To make a short low pass sideways across the pitch
- To compare with, or reduce to, any given measure or standard.
- (transitive, geometry) To draw, with a pair of compasses and a straightedge only, a square with the same area as.
- (rowing) To rotate the oars so that they are perpendicular to the water.
- (nautical) To place at a right angle to the mast or keel.
- To form with four sides and four right angles.
- (ambitransitive) To resolve or reconcile; to suit or fit.
- To take a boxing attitude; often with up or off.
- To accord or agree exactly; to be consistent with; to suit; to fit.
- To form with right angles and straight lines, or flat surfaces.
- (transitive, geometry) To tile (completely fill) with squares.
- (transitive) To adjust or adapt so as to bring into harmony with something.
- (transitive) To adjust so as to align with or place at a right angle to something else; in particular:
- (astrology) To hold a quartile position respecting.
- (transitive, mathematics) Of a value, term, or expression, to multiply by itself; to raise to the second power.
adj
- (geometry, not comparable, of a polygon) Not convex; having at least one internal angle greater than 180 degrees.
- Curved like the inner surface of a sphere or bowl.
- Hollow; empty.
- (functional analysis, not comparable, of a real-valued function on the reals) Satisfying the property that all segments connecting two points on the function's graph lie below the function.
- curving inward
noun
- (gambling) A playing card made concave for use in cheating.
- (surfing) An indentation running along the base of a surfboard, intended to increase lift.
- (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
- (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
- The vault of the sky.
- A concave surface or curve.
- One of the celestial spheres of the Ptolemaic or geocentric model of the world.
verb
noun
- (geometry, more generally) A figure comprising vertices and (not necessarily straight) edges, alternatingly.
- (geometry) A plane figure bounded by edges that are all straight lines.
- (geometry) The boundary of such a figure.
- (geometry) Such a figure and its interior, taken as a whole.
- a closed plane figure bounded by straight sides
noun
- a three-sided polygon
- any of various triangular drafting instruments used to draw straight lines at specified angles
- something approximating the shape of a triangle
- a percussion instrument consisting of a metal bar bent in the shape of an open triangle
- (historical, usually in the plural) A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.
- (music) A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
- Any of various large papilionid butterflies of the genus Graphium.
- (systemics) The structure of systems composed with three interrelated objects.
- A love triangle.
- A draughtsman's square in the form of a right-angled triangle.
- (rail transport) A triangular formation of railway tracks, with a curve on at least one side.
- (US, Canada) A set square.
- (billiards) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
- (geometry) A polygon with three sides and three angles.
noun
- a three-sided polygon
- a triangular lyre of ancient Greece and Rome
- (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees
- (countable, astrology) A division consisting of three star signs.
- (countable, astrology) A trine; an aspect of two planets distant 120 degrees from each other.
- (countable, zoology) The cusp (cutting region) of the crown of an upper molar, usually the anterior part.
- (countable, geometry, rare) A triangle.
- (uncountable, historical) An old ball game played by three people standing in a triangular formation. (See Wikipedia's entry for the game)
- (countable, historical, music) An ancient triangular harp of Oriental origin which had four strings and was often used for banquet music. Also called sabbeka, sackbut, sambuca.
verb
noun
noun
- (geometry) A planar geometrical figure included between two concentric circles.
- (colloquial) A telephone call.
- (typography) A diacritical mark in the shape of a hollow circle placed above or under the letter; a kroužek.
- Any loud sound; the sound of numerous voices; a sound continued, repeated, or reverberated.
- In a jack plug, the connector between the tip and the sleeve.
- (Internet) Ellipsis of webring.
- A circular group of people or objects.
- (astronomy) A formation of various pieces of material orbiting around a planet or young star.
- (vulgar) The rectum, anus, or anal sphincters.
- (historical) An instrument, formerly used for taking the sun's altitude, consisting of a brass ring suspended by a swivel, with a hole at one side through which a solar ray entering indicated the altitude on the graduated inner surface opposite.
- (chemistry) A group of atoms linked by bonds to form a closed chain in a molecule.
- A piece of food in the shape of a ring.
- An exclusive group of people, usually involving some unethical or illegal practices.
- (mathematical analysis, measure theory) A family of sets that is closed under finite unions and set-theoretic differences.
- (historical) An old English measure of corn equal to the coomb or half a quarter.
- The resonant sound of a bell, or a sound resembling it.
- A chime, or set of bells harmonically tuned.
- (algebra) An algebraic structure as above, but only required to be a semigroup under the multiplicative operation, that is, there need not be a multiplicative identity element.
- (figuratively) A sound or appearance that is characteristic of something.
- A long stripe of contrastive material, colour, etc, that encircles something.
- (computing theory) A hierarchical level of privilege in a computer system, usually at hardware level, used to protect data and functionality (also protection ring).
- (British) A large circular prehistoric stone construction such as Stonehenge.
- A circumscribing object, (roughly) circular and hollow, looking like an annual ring, earring, finger ring etc.
- A place where some sports or exhibitions take place; notably a circular or comparable arena, such as a boxing ring or a circus ring; hence the field of a political contest.
- (jewelry) A round piece of (precious) metal worn around the finger or through the ear, nose, etc.
- (algebra) An algebraic structure which consists of a set with two binary operations: an additive operation and a multiplicative operation, such that the set is an abelian group under the additive operation, a monoid under the multiplicative operation, and such that the multiplicative operation is distributive with respect to the additive operation.
- (networking) A network topology where connected devices form a circular data channel. All computers on the ring can see every message, and there are no collisions, and a single point of failure will occur if any part of the ring breaks.
- (firearms) Either of the pair of clamps used to hold a telescopic sight to a rifle.
- (figuratively) A pleasant or correct sound.
- (UK) A burner on a kitchen stove.
- The open space in front of a racecourse stand, used for betting purposes.
- (cartomancy) The twenty-fifth Lenormand card.
- (botany) A flexible band partly or wholly encircling the spore cases of ferns.
- (UK) A bird band, a round piece of metal put around a bird's leg used for identification and studies of migration.
- (mathematics, order theory) A family of sets closed under finite union and finite intersection.
- a strip of material attached to the leg of a bird to identify it (as in studies of bird migration)
- a platform usually marked off by ropes in which contestants box or wrestle
- (chemistry) a chain of atoms in a molecule that forms a closed loop
- an association of criminals
- a rigid circular band of metal or wood or other material used for holding or fastening or hanging or pulling
- a characteristic sound
- jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger
- the sound of a bell ringing
- a toroidal shape
verb
- (transitive) To enclose or surround.
- (intransitive) to resound, reverberate, echo.
- (transitive) To attach a ring to, especially for identification.
- To ring up (enter into a cash register or till)
- (intransitive, figuratively) To produce the sound of a bell or a similar sound.
- (transitive, colloquial, British, Australia, New Zealand) To telephone (someone).
- (Australia, transitive) To ride around (a group of animals, especially cattle) to keep them milling in one place; hence (intransitive), to work as a drover, to muster cattle.
- (transitive, figuratively) To make an incision around; to girdle; to cut away a circular tract of bark from a tree in order to kill it.
- (transitive) To make (a bell, etc.) produce a resonant sound.
- (transitive) To surround or fit with a ring, or as if with a ring.
- (intransitive) Of a bell, etc., to produce a resonant sound.
- (transitive) To steal and change the identity of (cars) in order to resell them.
- (transitive) To produce (a sound) by ringing.
- (falconry) To rise in the air spirally.
- (intransitive) To produce music with bells.
- (intransitive, figuratively) Of something spoken or written, to appear to be, to seem, to sound.
- sound loudly and sonorously
- ring or echo with sound
- attach a ring to the foot of, in order to identify
- get or try to get into communication (with someone) by telephone
- make (bells) ring, often for the purposes of musical edification
- extend on all sides of simultaneously; encircle
noun
- (algebraic geometry) An algebraic curve; a polynomial relation of the planar coordinates.
- (informal, usually in the plural) The attractive shape of a woman's body.
- (analytic geometry) A continuous map from a one-dimensional space to a multidimensional space.
- (topology) A one-dimensional continuum.
- (geometry) A one-dimensional figure of non-zero length; the graph of a continuous map from a one-dimensional space.
- A gentle bend, such as in a road.
- A simple figure containing no straight portions and no angles; a curved line.
- (nonstandard, by extension) A grading system where all raw scores are raised by a set amount of points.
- A grading system based on the scale of performance of a group used to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject.
- a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
- curved segment (of a road or river or railroad track etc.)
- a line on a graph representing data
- the trace of a point whose direction of motion changes
- the property possessed by the curving of a line or surface
verb
- (transitive) To bend; to crook.
- (transitive) To grade on a curve (bell curve of a normal distribution).
- (intransitive) To bend or turn gradually from a given direction.
- (transitive) To cause to swerve from a straight course.
- (transitive, slang) To reject, to turn down romantic advances.
- extend in curves and turns
- form an arch or curve
- bend or cause to bend
- form a curl, curve, or kink
- turn sharply; change direction abruptly
noun
- (geometry) Such a figure in four dimensions; a tesseract.
- (computing) A computer architecture in which each processor is connected to n others, by analogy with a hypercube of n dimensions.
- (computing) A data cube with more than three dimensions.
- (geometry) A geometric figure in four or more dimensions, which is analogous to a cube in three dimensions. Specifically, the n-dimensional equivalent of a cube for any non-negative integer n.
noun
- (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
- (uncountable) Alternative form of four square.
- (countable, cryptography) A four-square cipher.
- (countable, architecture, US) A boxy style of domestic architecture with four rooms to a floor, one of which is usually a stair hall.
adj
adv
noun
- (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
- something approximating the shape of a square
- an open area at the meeting of two or more streets
- a formal and conservative person with old-fashioned views
- any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles
- someone who doesn't understand what is going on
- the product of two equal terms
- a hand tool consisting of two straight arms at right angles; used to construct or test right angles
- (real estate) A unit of measurement of area, equal to a 10 foot by 10 foot square, i.e. 100 square feet or roughly 9.3 square metres. Used in real estate for the size of a house or its rooms, though progressively being replaced by square metres in metric countries such as Australia.
- (geometry) A polygon with four straight sides of equal length and four right angles; an equilateral rectangle; a regular quadrilateral.
- (colloquial, US) Ellipsis of square meal.
- (brewing) A vat used for fermentation.
- (computing) A pattern to be matched that consists of a subpattern repeated, such as "papa" or "wikiwiki".
- (astrology) The position of planets distant ninety degrees from each other; a quadrate.
- (printing) A certain number of lines, forming a portion of a column, nearly square; used chiefly in reckoning the prices of advertisements in newspapers.
- (slang, MLE) A well-defined torso.
- (slang) Cigarette.
- (cricket) The central area of a cricket field, with one or more pitches of which only one is used at a time.
- (mathematics) The product of a number or quantity multiplied by itself; the second power of a number, value, term or expression.
- (often in street names or addresses) A street surrounding a public square or plaza.
- A cell in a grid.
- The relation of harmony, or exact agreement; equality; level.
- A square piece, part, or surface.
- An open space or park, often in the center of a town, not necessarily square in shape, often containing trees, seating and other features pleasing to the eye.
- (Canada, US) A dessert cut into rectangular pieces, or a piece of such a dessert.
- (roofing) A unit used in measuring roof area equivalent to 100 square feet (9.29 m²) of roof area. The materials for roofing jobs are often billed by the square in the United States.
- An L- or T-shaped tool used to place objects or draw lines at right angles.
- (British) The symbol # on a telephone; hash.
- The front of a woman's dress over the bosom, usually worked or embroidered.
- (military formation) A body of troops drawn up in a square formation.
- (academia) A mortarboard.
adj
- providing abundant nourishment
- rigidly conventional or old-fashioned
- leaving no balance
- without evasion or compromise
- having four equal sides and four right angles or forming a right angle
- characterized by honesty and fairness
- (cricket) In line with the batsman's popping crease.
- Used in the names of units of area formed by multiplying a unit of length by itself.
- Honest; straightforward; fair.
- (of box-shaped objects such as buildings or metal frames) Forming right angles in all planes as intended; not racked or leaning.
- (slang, derogatory) Socially conventional; boring.
- Satisfied; comfortable with; not experiencing any conflict.
- Solid, decent, substantial.
- Even; tied
- (automotive) Of an internal combustion engine design, in which the diameter of the piston is similar, roughly, approximately, equal to its stroke distance.
- Forming a right angle (90°).
- (nautical) Forming right angles with the mast or the keel, and parallel to the horizon; said of the yards of a square-rigged vessel when they are so braced.
- Having a shape broad for the height, with angular rather than curving outlines.
- Shaped like a square (the polygon).
adv
verb
- cause to match, as of ideas or acts
- make square
- be compatible with
- position so as to be square
- turn the oar, while rowing
- turn the paddle; in canoeing
- raise to the second power
- pay someone and settle a debt
- (soccer) To make a short low pass sideways across the pitch
- To compare with, or reduce to, any given measure or standard.
- (transitive, geometry) To draw, with a pair of compasses and a straightedge only, a square with the same area as.
- (rowing) To rotate the oars so that they are perpendicular to the water.
- (nautical) To place at a right angle to the mast or keel.
- To form with four sides and four right angles.
- (ambitransitive) To resolve or reconcile; to suit or fit.
- To take a boxing attitude; often with up or off.
- To accord or agree exactly; to be consistent with; to suit; to fit.
- To form with right angles and straight lines, or flat surfaces.
- (transitive, geometry) To tile (completely fill) with squares.
- (transitive) To adjust or adapt so as to bring into harmony with something.
- (transitive) To adjust so as to align with or place at a right angle to something else; in particular:
- (astrology) To hold a quartile position respecting.
- (transitive, mathematics) Of a value, term, or expression, to multiply by itself; to raise to the second power.
noun
- (geometry, more generally) A figure comprising vertices and (not necessarily straight) edges, alternatingly.
- (geometry) A plane figure bounded by edges that are all straight lines.
- (geometry) The boundary of such a figure.
- (geometry) Such a figure and its interior, taken as a whole.
- a closed plane figure bounded by straight sides
noun
- a three-sided polygon
- any of various triangular drafting instruments used to draw straight lines at specified angles
- something approximating the shape of a triangle
- a percussion instrument consisting of a metal bar bent in the shape of an open triangle
- (historical, usually in the plural) A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.
- (music) A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
- Any of various large papilionid butterflies of the genus Graphium.
- (systemics) The structure of systems composed with three interrelated objects.
- A love triangle.
- A draughtsman's square in the form of a right-angled triangle.
- (rail transport) A triangular formation of railway tracks, with a curve on at least one side.
- (US, Canada) A set square.
- (billiards) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
- (geometry) A polygon with three sides and three angles.
noun
- a three-sided polygon
- a triangular lyre of ancient Greece and Rome
- (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees
- (countable, astrology) A division consisting of three star signs.
- (countable, astrology) A trine; an aspect of two planets distant 120 degrees from each other.
- (countable, zoology) The cusp (cutting region) of the crown of an upper molar, usually the anterior part.
- (countable, geometry, rare) A triangle.
- (uncountable, historical) An old ball game played by three people standing in a triangular formation. (See Wikipedia's entry for the game)
- (countable, historical, music) An ancient triangular harp of Oriental origin which had four strings and was often used for banquet music. Also called sabbeka, sackbut, sambuca.
verb
- (transitive, computer graphics) To flatten (a three-dimensional model) into a two-dimensional plane.
- (transitive, computing) To remove word wrap from.
- (intransitive) To become unwrapped.
- (transitive) To open or undo, as what is wrapped or folded.
- make known to the public information that was previously known only to a few people or that was meant to be kept a secret
- remove the outer cover or wrapping of
noun
verb
noun
adj
adj
- (algebraic geometry, scheme theory, of a morphism of schemes) Such that the induced map on every stalk is flat (as a map of rings).
- (not comparable, commerce) Of fees, fares etc., fixed; unvarying.
- Smooth; having no protrusions, indentations or other surface irregularities, or relatively so.
- (golf, of a golf club) Having a head at a very obtuse angle to the shaft.
- At a consistently depressed level; consistently lacklustre.
- (of colours) Without variation in tone or hue (uniform), and dull (not glossy).
- (algebra, ring theory, of a ring homomorphism) Such that its target, regarded as a module over its source, is flat (as above).
- (music, note) Lowered by one semitone.
- In a horizontal line or plane; not sloping.
- (juggling, of a throw) Without spin; spinless.
- (authorship, figuratively, especially of a character) Lacking in depth, substance, or believability; underdeveloped; one-dimensional.
- (horticulture, of certain fruits) Flattening at the ends.
- (slang) Having small or invisible breasts and/or buttocks.
- (phonetics, of a vowel) Not diphthongal; without variation in height or backness.
- (of a tire or other inflated object) Deflated, especially because of a puncture.
- (homological algebra, of a module) Such that the tensor product preserves exact sequences. See Flat module on Wikipedia.Wikipedia.
- (of a battery) Unable to emit power; dead.
- (of measurements of time) Exact.
- Without variation in level, quantity, value, tone etc.
- Having no variations in height.
- (music) Of a note or voice, lower in pitch than it should be.
- (music, voice) Without variations in pitch.
- (figurative) Lacking liveliness or action; depressed; uninteresting; dull and boring.
- Absolute; downright; peremptory.
- (grammar) Not having an inflectional ending or sign, such as a noun used as an adjective, or an adjective as an adverb, without the addition of a formative suffix; or an infinitive without the sign "to".
- (wine) Lacking acidity without being sweet.
- (of coffee) Having little froth and little milk.
- (of a carbonated drink) With all or most of its carbon dioxide having come out of solution so that the drink no longer fizzes or contains any bubbles.
- sounded or spoken in a tone unvarying in pitch
- not reflecting light; not glossy
- having lost effervescence
- lacking contrast or shading between tones
- horizontally level
- stretched out and lying at full length along the ground
- having a relatively broad surface in relation to depth or thickness
- lacking taste or flavor or tang
- flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
- not modified or restricted by reservations
- commercially inactive
- lacking stimulating characteristics; uninteresting
- having a surface without slope, tilt in which no part is higher or lower than another
- (of a musical note) lowered in pitch by one chromatic semitone
- lacking the expected range or depth; not designed to give an illusion or depth
adv
- Completely, firmly, or unequivocally.
- Directly; flatly.
- (with units of time, distance, etc) Used to emphasize the smallness of the measurement.
- (finance, slang) Without allowance for accrued interest.
- Completely.
- (of accurately measured timings) Exactly, precisely.
- So as to be flat.
- (of a sentence) Without parole.
- with flat sails
- in a forthright manner; candidly or frankly
noun
- (American football) The areas behind the line of scrimmage to either side of an offensive football formation.
- (rail transport) A flat spot on the wheel of a rail vehicle.
- (publishing) A flat, glossy children's book with few pages.
- An area of level ground (sometimes covered with shallow or tidal water).
- (technical, theatre, stagecraft) A rectangular wooden structure covered with masonite, lauan, or muslin, often produced in standard modules, that is used to build wall surfaces on stage. Flats can be painted and outfitted with doors and/or windows to depict a building or other part of a scene, and are a hard-surfaced alternative to a backcloth or backdrop.
- (entomology) Any of various hesperiid butterflies that spread their wings open when they land.
- A flat sheet for use on a bed.
- (horse racing, with 'the' or attributively, sometimes with capital) Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground.
- (postal) A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes.
- (music) A note played one chromatic semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪).
- (in the plural) A type of ladies' shoe with a very low heel.
- (informal, automotive) A flat tyre/flat tire.
- (painting) A thin, broad brush used in oil and watercolour painting.
- (optics) A flat (i.e. plane) mirror
- Ellipsis of flat ride (“spinning amusement ride”).
- A wide, shallow container or pallet.
- (geometry) A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension.
- (in the plural) A type of flat-soled running shoe without spikes.
- The most prominent flat part of something.
- A flat-bottomed boat, without keel, and of small draught.
- (swordfighting) The flat side of a blade, as opposed to the sharp edge.
- A straw hat, broad-brimmed and low-crowned.
- A platform on a wheel, upon which emblematic designs etc. are carried in processions.
- (Australia, horse racing, with 'the' or attributively, sometimes with capital) the area in the centre of a racecourse.
- (gambling, slang) A cheater's die with the edges shaved to make certain rolls more likely.
- (in the phrase 'the flat') Level ground in general.
- (historical) An early kind of toy soldier having a flat design.
- (US) Ellipsis of flat water (“nonfizzy drinking water”).
- (chiefly British, New England, South Africa, India, Australia, New Zealand, Singapore, archaic elsewhere) A complete domicile occupying only part of a building, especially one for rent
- (Canadian Prairies, British Columbia) A 24-case of beer.
- The palm of the hand, with the adjacent part of the fingers.
- (rail transport, US) A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar.
- (mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal.
- a shallow box in which seedlings are started
- a deflated pneumatic tire
- scenery consisting of a wooden frame covered with painted canvas; part of a stage setting
- a level tract of land
- a musical notation indicating one half step lower than the note named
- a suite of rooms usually on one floor of an apartment house
- freight car without permanent sides or roof
verb
- (transitive) To dash or throw
- (poker slang) To make a flat call; to call without raising.
- (intransitive) To become flat or flattened; to sink or fall to an even surface.
- (intransitive, music, colloquial) To fall from the pitch.
- (intransitive) To dash, rush
- (transitive, music) To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
adj
adj
adj
- (geometry, not comparable, of a polygon) Not convex; having at least one internal angle greater than 180 degrees.
- Curved like the inner surface of a sphere or bowl.
- Hollow; empty.
- (functional analysis, not comparable, of a real-valued function on the reals) Satisfying the property that all segments connecting two points on the function's graph lie below the function.
- curving inward
noun
- (gambling) A playing card made concave for use in cheating.
- (surfing) An indentation running along the base of a surfboard, intended to increase lift.
- (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
- (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
- The vault of the sky.
- A concave surface or curve.
- One of the celestial spheres of the Ptolemaic or geocentric model of the world.