Variant of cloaca
- a sewer or cesspool
- the cavity into which both the intestinal and the genitourinary tracts empty in reptiles, birds, amphibians, and many fishes
- in some invertebrates, a similar cavity serving as an excretory, respiratory, and reproductive duct
Origin: Classical Latin ; from cluere, to cleanse ; from Indo-European base an unverified form lū-, to rinse, clean from source Classical Greek klyzein, to wash, German lauter, pure
- cloacal adjective
Used by arrangement with John Wiley & Sons, Inc.