from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The posterior part of a bird's body, from which the tail feathers grow.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The posterior part of a bird's body from which the tail feathers grow
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. In ornithology, the rump; the terminal section of the body, represented by the caudal vertebræ, into which the tail-feathers are inserted; also, the upper surface of this part, or terminal section of the notæum, with limits not defined. See cuts under bird and elæodochon.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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.(American Heritage® Dictionary of the English Language, Fourth Edition)
Mediaeval Latin, from Ancient Greek οὐροπύγιον (ouropugion, "tail feathers"). (Wiktionary)