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pi•le•um



Pronunciation: (pī'lē-um, pil'ē-), [key]
n.,
pl. pi•le•aPronunciation: (pī'lē-u, pil'ē-u). [key]

the top of the head of a bird, from the base of the bill to the nape.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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