Main Entry: wash·board

Pronunciation: \ˈwȯsh-ˌbȯrd, ˈwäsh-\

Function: noun

Date: 1742

1 : a broad thin plank along a gunwale or on the sill of a lower deck port to keep out the sea
2 : baseboard
3 a : a corrugated rectangular surface that is used for scrubbing clothes or as a percussion instrument b : a road or pavement so worn by traffic as to be corrugated transversely c : an abdominal area characterized by prominent and well-defined musculature —usually used attributively <a bodybuilder with washboard abs> <a washboard stomach>