the GNU version of the Collaborative International Dictionary of English
n. A tub in which clothes are washed.
The Century Dictionary and Cyclopedia
n. A tub for washing, especially one in which clothes are washed.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a tub in which clothes or linens can be washed
Word Usage
"Withrow keeps the guitar his patient gave him in his musical man-cave, among other homemade guitars, a mandolin and a curious-looking stand-up bass known as a washtub bass or "gut bucket" for its key component."