a long thin board with a tongue along one edge and a corresponding groove along the other, used with similar boards to line walls, ceilings, etc
WordReference Random House Unabridged Dictionary of American English © 2025
match•board
(mach′bôrd′, -bōrd′),USA pronunciation n.
- Buildinga board having a tongue formed on one edge and a groove of the same dimensions cut into the other, used with similar boards to compose floors, dados, etc.
- match2 + board 1840–50
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'matchboard' also found in these entries (note: many are not synonyms or translations):