noun
sliced veneer; veneer
Thin sheet of wood sliced from a log, used in architecture and furniture making.
この家具は突き板で仕上げられている。
This furniture is finished with sliced veneer.
単板 is a broader term for any thin wood sheet, while 突き板 specifically refers to sliced veneer.
Compound of 突き (tsuki, 'thrusting' or 'slicing') and 板 (ita, 'board'), referring to the process of slicing thin sheets from a log.