noun, plural clo·a·cae [kloh-ey-see] /kloʊˈeɪ si/.
- the common cavity into which the intestinal, urinary, and generative canals open in birds, reptiles, amphibians, many fishes, and certain mammals.
- a similar cavity in invertebrates.
Words nearby cloaca
Origin of cloaca
OTHER WORDS FROM cloacaclo·a·cal, adjectivepre·clo·a·cal, adjective
Examples from the Web for cloaca
This dilatation becomes the hypoblastic section of the cloaca.The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
In zoology the term is applied to the large chamber or 'cloaca' into which the intestine opens in the Tunicata.
The very short large intestine of the frog passes straight down to enter the cloaca.The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
The oviduct opens by a funnel-shaped mouth near the egg-gland and runs thence to the cloaca.Elementary Zoology, Second Edition|Vernon L. Kellogg
It opens by a semicircular orifice into the cloaca, which also receives the orifices of the urinary and generative organs.Sheep, Swine, and Poultry|Robert Jennings