sink
sink
noun
A fixed basin with taps, typically in a kitchen or bathroom, for washing.
"Please wash your hands in the kitchen sink."
verb
To go down below the surface of water or another liquid.
"The old boat began to sink."
Thesaurus
Synonyms: slump, fall off, drop down, drop, sump, cesspool, cesspit, dip, subside, pass, lapse, slide down