washboard
nounDefinition of washboard
1
: a broad thin plank along a gunwale or on the sill of a lower deck port to keep out the sea
2
: baseboard
3a
: 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 absa washboard stomach
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