/ ˈbevl; NAmE / noun
1.
a sloping edge or surface, for example at the side of a picture frame or sheet of glass
2.
a tool for making sloping edges on wood or stone
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WORD ORIGIN
late 16th cent. (as an adjective in the sense oblique ): from an Old French diminutive of baif open-mouthed, from baer to gape.