Chamfer

chamfer \ˈcham(p)-fər\ noun: a beveled edge
transitive verb: 1. to cut a furrow in (as a column), 2. to make a chamfer on

Etymology: back-formation from chamfering, alteration of Middle French chanfreint, from past participle of chanfraindre to bevel, from chant edge (from Latin canthus iron tire) + fraindre to break, from Latin frangere

Thirty white horses on a red hill; first they champ, then they stamp, then they stand still. (But they never chamfer.)