from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A large gland at the base of a bird's tail that secretes an oil used in preening. Also called oil gland.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A secretory organ, at the base of a bird's tail, that secretes the oil used in preening.
from the GNU version of the Collaborative International Dictionary of English
- adj. a peculiar sebaceous gland at the base of the tail feathers in most birds. It secretes an oily fluid which is spread over the feathers by preening.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. oil-secreting gland situated at the base of the tail in most birds
Sorry, no etymologies found.