Cloaca

Clo-a-ca n. p clo-a-cae

1. Zoology.
 * a) the common cavity into which the intestinal, urinary, and generative canals open in birds, reptiles, amphibians, many fishes, and certain mammals.


 * b)The posterior part of the intestinal tract in various invertebrates.

2. Ancient sewer.

[Latin cloāca, sewer, canal.]