chamfer
verb
[ ˈtʃamfə ]
• (in carpentry) cut away (a right-angled edge or corner) to make a symmetrical sloping edge.
• "a neat chamfered edge"
chamfer
noun
• a symmetrical sloping surface at an edge or corner.
Origin:
mid 16th century (in the sense ‘flute or furrow’): back-formation from chamfering, from French chamfrain, from chant ‘edge’ (see cant2) + fraint ‘broken’ (from Old French fraindre ‘break’, from Latin frangere ).