uropygial

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

adjective Ornithology.

of or relating to the uropygium.

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