pteryla Hear it!

pteryla definition

ptery·la (ter′i lə)

noun pl. pterylae -·lae′ (-lē′)

any of the special areas on a bird's skin from which feathers grow

Etymology: ModL < pter(o)- + Gr hylē, forest

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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