Cesspool

n.

1.

A cistern in the course, or the termination, of a drain, to collect sedimentary or superfluous matter; a privy vault; any receptacle of filth.

Noun

1.

cesspool - a covered cistern; waste water and sewage flow into it Synonyms: cesspit, sump, sink

Sodom, bog, cesspit, cloaca, cloaca maxima, den, drain, dump, garbage dump, marsh, mire, pandemonium, quagmire, septic tank, sewer, sink, sty, sump, swamp