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2017 Word of the Year

uropygium

[yoo r-uh-pij-ee-uh m] /ˌyʊər əˈpɪdʒ i əm/
noun, Ornithology.
1.
the projecting terminal portion of a bird's body, from which the tail feathers spring.
Origin of uropygium
1805-1815
1805-15; < New Latin < Greek ouropȳ́gion, variant (with ouro- uro-2) of orropȳ́gion, equivalent to orro-, combining form of órros sacral bone + pȳg(ḗ) rump, buttocks + -ion diminutive suffix
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for uropygium

uropygium

/ˌjʊərəˈpɪdʒɪəm/
noun
1.
the hindmost part of a bird's body, from which the tail feathers grow
Derived Forms
uropygial, adjective
Word Origin
C19: via New Latin from Greek ouropugion, from uro-² + pugē rump
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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