— washboardy , adj.
/wosh"bawrd', -bohrd', wawsh"-/ , n.
1. a rectangular board or frame, typically with a corrugated metallic surface, on which clothes are rubbed in the process of washing.
2. a baseboard around the walls of a room.
3. Also called splashboard . Naut.
a. a thin, broad plank fastened to and projecting above the gunwale or side of a boat to keep out the spray and sea.
b. a similar board on the sill of a port.
adj.
4. resembling a washboard in being rough and bumpy: a washboard roadbed.
[ 1735-45; WASH + BOARD ]