| 单词 | uropygial gland |
| 释义 | uropygial glandnoun Ornithology.a gland opening on the back at the base of the tail in most birds that secretes an oily fluid used by the bird in preening its feathers. Also called oil gland, preen gland. Origin of uropygial glandFirst recorded in 1865–70 Words nearby uropygial glanduropod, uropoiesis, uroporphyrin, uroporphyrinogen, uropygial, uropygial gland, uropygium, uroradiology, uroscheocele, uroschesis, uroscopy Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for uropygial glanduropygial gland nouna gland, situated at the base of the tail in most birds, that secretes oil used in preening 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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