uropygial gland


uro·​py·​gi·​al gland ˌyu̇r-ə-ˈpī-jē-əl- How to pronounce uropygial gland (audio)
: a large gland that occurs in most birds, opens dorsally at the base of the tail feathers, and usually secretes an oily fluid which the bird uses in preening its feathers

called also oil gland

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of uropygial gland was in 1870

Dictionary Entries Near uropygial gland

Cite this Entry

“Uropygial gland.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uropygial%20gland. Accessed 24 Jul. 2024.

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