As you may have noticed, above you will find words for "In any surface prepared with indentations, perforations, or grooves, that part of the surface which is not so treated, such as the level part of a millstone between the furrows.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.