The old farmhouse had several washtubs lined up on the porch for rinsing vegetables and soaking linens.

She soaked the stained dress in a washtub and scrubbed it until the marks faded.

The street musician plucked a deep, rhythmic groove from his washtub bass while a small crowd gathered around.

At the folk festival, the musicians tuned their washtub basses before the noon performance.

At the street fair, the washtub bassists drew a larger crowd than the headlining band.

The washtub bassist held the single string taut with one hand while slapping it with the other, giving the blues trio a rough, earthy pulse.