American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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Elsewhere on the web
During weaning the joey eats partially-digested eucalyptus that merges from mother's cloaca, thus receiving bacteria needed for digestion as well as food.— xml's Blinklist.com
Wim's Cloaca machine (cloaca is a zoological term for the posterior opening of animals) was fed meals twice a day.— Neatorama
Although the turtle can take in air from its nostrils, the second breathing method allows it to also absorb air from water that flows in through its behind, via an organ called the cloaca.— Discovery Channel :: Top Highlights
The urinary and genital ducts open separately into this cloaca, and dorsally and posteriorly to the anus.— Text Book of Biology, Part 1: Vertebrata

American Heritage Dictionary (1)
Century Dictionary (1)
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