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)
matchboard详细解释
match.board n.（名词）A board cut with a tongue on one side and a matching groove on the other to fit with other boards of similar cut.假型板：在一侧有舌状切口且另一侧有能与其它板相似切口相适合的沟巢的木板
