matchboard

match·board

M0147400 (măch′bôrd′)n. A board cut with a tongue on one side and a matching groove on the other to fit with similarly cut boards.

matchboard

(ˈmætʃˌbɔːd) n (Building) 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

match•board

(ˈmætʃˌbɔrd, -ˌboʊrd)

n. a board having a tongue on one edge that fits a groove in the other. [1840–50]

Thesaurus

Noun

1.

matchboard - a board that has a groove cut into one edge and a tongue cut into the other so they fit tightly together (as in a floor)plank, board - a stout length of sawn timber; made in a wide variety of sizes and used for many purposes