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Related to cloacal kiss: avian cloaca


n. pl. clo·a·cae (-sē′)
1. A sewer or latrine.
2. 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.

[Latin cloāca, sewer, canal.]

clo·a′cal (-kəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
--for the birds and other open-minded parties -- Birds without penises do it like this: press vent to vent and pass the sperm, called "the cloacal kiss." "If You Were Born Catholic, You'll Always Be Catholic"
Most of the birds reproduce with a 'cloacal kiss' - touching together their cloaca for long enough for sperm to transfer from the males to the females.