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tongue-and-groove joint

American

[tuhng-uhn-groov] / ˈtʌŋ ənˈgruv /

noun

Carpentry.

a joint between two boards in which a raised area on the edge of one board fits into a corresponding groove in the edge of the other to produce a flush surface.

tongue-and-groove joint British

noun

a joint made between two boards by means of a tongue along the edge of one board that fits into a groove along the edge of the other board

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tongue-and-groove joint

First recorded in 1875–80

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023