CLOACA
sewer, sewerage, cloaca
(noun) a waste pipe that carries away sewage or surface water
cloaca
(noun) (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open
Source: WordNet® 3.1
Etymology
Noun
cloaca (plural cloacas or cloacae)
(sometimes, figurative) A sewer.
(zoology) The duct in reptiles, amphibians and birds, as well as most fish and some mammals, which serves as the common outlet for urination, defecation, and reproduction.
An outhouse or lavatory.
(anatomy) A duct through which gangrenous material escapes a body.
Synonyms
• (sewer): See sewer
• (outhouse or lavatory): See bathroom
Source: Wiktionary
Clo"a"ca, n.; pl. Cloacæ. Etym: [L.]
1. A sewer; as, the Cloaca Maxima of Rome.
2. A privy.
3. (Anat.)
Definition: The common chamber into which the intestinal, urinary, and
generative canals discharge in birds, reptiles, amphibians, and many
fishes.
Source: Webster’s Unabridged Dictionary 1913 Edition