nounpl. cloacae or cloacas
- 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 of cloacaClassical 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
- A sewer or latrine.
- Zoology a. The common cavity that serves as the opening for the intestinal, genital, and urinary tracts in many vertebrates, including amphibians, reptiles, birds, monotremes, and some fishes.b. The posterior part of the intestinal tract in various invertebrates.
Origin of cloacaLatin cloāca, sewer, canal.
OriginSee also: cloacă
From Latin cloāca (“sewer”), from cluō (“cleanse”).