washboard

Wash"board`, n. 1. A fluted, or ribbed, board on which clothes are rubbed in washing them. 2. A board running round, and serving as a facing for, the walls of a room, next to the floor; a mopboard. 3. (Naut.) Defn: A broad, thin plank, fixed along the gunwale of boat to keep the sea from breaking inboard; also, a plank on the sill of a lower deck port, for the same purpose; -- called also wasteboard. Mar. Di

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