Pronunciation: (klō-ā'ku), [key]
—pl. -caePronunciation: (-sē). [key]
a. the common cavity into which the intestinal, urinary, and generative canals open in birds, reptiles, amphibians, many fishes, and certain mammals.
b. a similar cavity in invertebrates.
2. a sewer, esp. an ancient sewer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.