uropygium
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u·ro·py·gi·um
(yo͝or′ə-pī′jē-əm, -pĭj′ē-)n.
The posterior part of a bird's body, from which the tail feathers grow.
[New Latin ūropygium, from Greek ouropugion : ouro-, tail; see uro-2 + pugē, rump.]
u′ro·py′gi·al (-əl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
uropygium
(ˌjʊərəˈpɪdʒɪəm)n
(Zoology) the hindmost part of a bird's body, from which the tail feathers grow
[C19: via New Latin from Greek ouropugion, from uro-2 + pugē rump]
ˌuroˈpygial adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
u•ro•pyg•i•um
(ˌyʊər əˈpɪdʒ i əm)n.
the projecting terminal portion of a bird's body, from which the tail feathers spring.
[1805–15; < New Latin < Greek órros sacral bone + pȳg(ḗ) rump, buttocks + -ion n. suffix]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. |  uropygium - posterior part of a bird's body from which the tail feathers growbird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings tail - the posterior part of the body of a vertebrate especially when elongated and extending beyond the trunk or main part of the body |
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