chamfering; beveling
Technical term in woodworking, metalworking, and engineering for cutting a beveled edge or corner.
This part has been chamfered.
rounding the edges (of a vegetable); trimming the corners
Culinary term for trimming sharp edges off cut vegetables, often to prevent breakage during cooking or for presentation.
To prevent them from falling apart, trim the edges of the potatoes beforehand.
Compound of 面 (めん, 'face, surface') and 取り (とり, nominalized form of 取る 'to take'), literally 'taking off the face/edge'.