uropygial

[yoo r-uh-pij-ee-uh l]

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adjective Ornithology.

of or relating to the uropygium.

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Origin of uropygial

First recorded in 1865–70; uropygi(um) + -al¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018