Two surfaces meeting at an angle other than 90º (5)

I believe the answer is:

bevel

(Other definitions for bevel that I've seen before include "Sloping edge, in carpentry say" , "Sloping surface or edge" , "Sloping join" , "Tool for making a sloping edge on a piece of wood" , "Cut a sloping surface on" .)

I've seen this clue in The Guardian.

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