Search Result for "preen gland":
Wordnet 3.0

NOUN (1)

1. oil-secreting gland situated at the base of the tail in most birds;
[syn: uropygial gland, preen gland]



WordNet (r) 3.0 (2006):

preen gland
    n 1: oil-secreting gland situated at the base of the tail in
         most birds [syn: uropygial gland, preen gland]