count
prestart
one for the money, two for the show, three to make ready, and four to go
time recorder
precount
tick-tock
clock
alarm clock
time of day
hour
game clock
fo'c'sle
o'clock
atomic clock
alarm
horologiographer
timetabled
cuckoo clock
octochamp
eleven o'clock
TIM
dial
clocking
backout
master clock
intercalation
one o'clock
calendar clock
to the minute
slave clock
clockwork
isochronon
clockward
twin paradox
radio alarm clock
autotimer
four o'clock
six o'clock
pulsar clock
twelve o'clock
five o'clock
ticktack
egg timer
count down
circadian dysrhythmia
chess timer
hammer
on the clock
from
body clock