Cloaca

n.	1.	A sewer; as, the Cloaca Maxima of Rome.
	2.	A privy.
	3.	(Anat.) The common chamber into which the intestinal, urinary, and generative canals discharge in birds, reptiles, amphibians, and many fishes.

Noun

1.

cloaca - a waste pipe that carries away sewage or surface water Synonyms: sewer, sewerage

drain, drainpipe, sewage system, sewage works, sewer, sewer system, sewerage, waste pipe