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1. The angle or inclination of a line or surface that meets another at any angle but 90°.
2. Two rules joined together as adjustable arms used to measure or draw angles of any size or to fix a surface at an angle. Also called bevel square.
v. bev·eled, bev·el·ing, bev·els or bev·elled or bev·el·ling
To cut at an inclination that forms an angle other than a right angle: beveled the edges of the table.
To be inclined; slant.
[From Middle French *bevel, bevel square (source of Modern French biveau), from Old French *baivel, from diminutive of baif, open-mouthed, from baer, to gape, from Vulgar Latin *batāre, to yawn, gape; see bay2.]