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Definition of biscuit joint
woodworking
: a joint made by gluing one or more wood biscuits (see biscuit sense 8) in between two boards Where a timber post supports a roof joist, the two are mitred and glued together with a biscuit joint. — Building Design, 26 Oct. 2007
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Time Traveler for biscuit joint
The first known use of biscuit joint was in 1988
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