uropygium
NounOpen English WordNet
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exemplaryadjective
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Webster's Dictionary (1913)
U′ro·pyg′i·um noun
Origin: NL., fr. Gr. …, (corrupted form) …; … the end of the os sacrum + … rump.
Anatomy The prominence at the posterior extremity of a bird's body, which supports the feathers of the tail; the rump; — sometimes called pope's nose.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54