uropygial

Variant of uropygium

noun pl. uropygia or uropygiums

the hump at the rear extremity of a bird's body, from which the tail feathers grow

Origin: ModL < Gr ouropygion, altered (infl. by oura, tail: see uro-) < orrhopygion < orrhos, end of the os sacrum + pygē, rump

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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