matchboard
Etymology
From match + board.
matchboard means A type of wooden board that connects with others using a tongue and groove system. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- A type of wooden board that connects with others using a tongue and groove system
- A thin piece of material (such as wood, plaster, or metal) that forms and aligns the matched parting surfaces for the two parts (the cope and the drag) of a molding box or flask, to which board patterns are attached in some casting methods.