baculum Hear it!

baculum definition

bac·u·lum (bak′yo̵̅o̅ ləm)

noun pl. bacula -·la (-lə) or baculums -·lums

a slim bone that supports rigidity of the penis in many mammals, including rodents, carnivores, and primates

Etymology: L, a stick: see bacillus

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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