chamfer Carpentry [ 'tʃamfə ]
■ verb cut away (a right-angled edge or corner) to make a symmetrical sloping edge.
■ noun a chamfered edge or corner.
Origin
C16 (in the sense 'flute or furrow'): back-form. from chamfering , from Fr. chamfrain , from chant (see cant 2 ) + fraint 'broken'.