noun wash·board \ˈwsh-ˌbrd, ˈwäsh-\

: a board with ridges on its surface that was used in the past for washing clothes by rubbing wet clothes against it

: a group of strong and well-shaped muscles that can be seen on a person's stomach

Full Definition of WASHBOARD

:  a broad thin plank along a gunwale or on the sill of a lower deck port to keep out the sea
:  baseboard
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>

First Known Use of WASHBOARD



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