Bevel
BEV'EL, noun
Among masons, carpenters, joiners, etc., an instrument, or kind of square, one leg of which is frequently crooked, according to the sweep of an arch or vault. It is movable on a point or center, and so may be set to any angle. An angle that is not square is called a bevel angle, whether obtuse or acute.
1. A curve or inclination of a surface from a right line; as, the proper bevel of a piece of timber.
BEV'EL, adjective Crooked; awry; oblique.
BEV'EL, verb transitive To cut a bevel angle.
BEV'EL, verb intransitive To curve; to incline towards a point, or from a direct line.