alula Hear it!

alula definition

alu·la (al′yo̵̅o̅ lə)

noun pl. alulae -·lae′ (-lē′)

the terminal part of a bird's wing corresponding to the thumb, consisting of two or more quills; bastard wing

Etymology: ModL, dim of ala, wing: see aileron

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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