pressboard

A heavy glazed paper or pasteboard used especially to cover the platen or cylinder of a printing press.

A small ironing board.

Millboard; pasteboard.

An ironing-board; a board used in pressing cloth.

plural See press-boards.

A kind of highly sized rag paper or board, sometimes containing a small admixture of wood pulp; — so called because used originally, as now, in presses for pressing and finishing knit underwear.

A board made by compressing layers of paper together and drying them.