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u·ro·py·gi·al gland(yo͝or′ə-pī′jē-əl, -pĭj′ē-)
A large gland at the base of a bird's tail that secretes an oil used in preening. Also called oil gland.
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.
(Zoology) a gland, situated at the base of the tail in most birds, that secretes oil used in preening
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•al gland`(ˌyʊər əˈpɪdʒ i əl)
a gland at the base of the tail in most birds that secretes an oily fluid used in preening.
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.||uropygial gland - oil-secreting gland situated at the base of the tail in most birds|
bird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
oil gland - a gland that secretes oil
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