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der•trum



Pronunciation: (dûr'trum), [key]
n.,
pl. -traPronunciation: (-tru). [key]
Ornith.
the extremity of the maxilla of a bird's bill, esp. when hooked or differentiated from the rest of the bill, as in pigeons and plovers.

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

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