n. & v.
n. 1 a slope from the horizontal or vertical in carpentry and stonework; a sloping surface or edge. 2 (in full bevel square) a tool for marking angles in carpentry and stonework.
v. (bevelled, bevelling; US beveled, beveling) 1 tr. reduce (a square edge) to a sloping edge. 2 intr. slope at an angle; slant. bevel gear a gear working another gear at an angle to it by means of bevel wheels. bevel wheel a toothed wheel whose working face is oblique to the axis.
[ OF bevel (unrecorded) f. baïf f. baer gape ]