uropygial gland
English Thesaurus
1. oil-secreting gland situated at the base of the tail in most birds (noun.animal)
| hypernym | : | oil gland, |
| definition | : | a gland that secretes oil (noun.body) |
| part meronym | : | bird, |
| definition | : | warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings (noun.animal) |
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