noun
a common cavity at the end of the digestive tract for the release of both excretory and genital products in vertebrates
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The cloaca is a common opening for the digestive, reproductive, and urinary tracts in birds.
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I learned that birds have a cloaca which serves as a multi-purpose opening.
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I can't believe I just saw that bird poop out of its cloaca!
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The company's financial department is like the cloaca of the organization, handling all the messy stuff behind the scenes.