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.
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Origin of cloaca
OTHER WORDS FROM cloacaclo·a·cal, adjectivepre·clo·a·cal, adjective
Words nearby cloaca
Example sentences from the Web for cloaca
The dinosaur’s cloaca appears to have a distinct color, which could have been used to signal for mates, as is sometimes the case for birds.This fossilized butthole gives us a rare window into dinosaur sex|Ellie Shechet|January 20, 2021|Popular Science
He had discarded his first instinct, which was to hide in the intricate Tetrahyde cloaca.The Status Civilization|Robert Sheckley
The two Oviducts do not open together into the cloaca, though, as my sections prove, their openings are very close together.
Each Wolffian duct ends blindly in front, and the two unite behind to open by a common papilla into the cloaca.
This involution grows backwards in the form of a duct and opens into the cloaca.
The lower end of the segmental duct unites with a horn of the cloaca.