TONGUE AND GROOVE


Meaning of TONGUE AND GROOVE in English

ˌtongue and ˈgroove BrE AmE adjective

tongue and groove boards fit together by pushing a piece that sticks out along the edge of one board into a hollow area along the edge of another board:

tongue and groove floorboards

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.