cloaca Meaning, Definition & Usage

  1. 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
  2. noun a waste pipe that carries away sewage or surface water
    sewer; sewerage.

WordNet

Clo"a"ca noun
Etymology
L.
Wordforms
plural Cloacæ
Definitions
  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.

Webster 1913