uropygial

POS

Adjective

HYPHEN

u=ro=pyg=i=al

top

CIDE DICTIONARY

uropygial, a. [See Uropygium.].

Of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds. [1913 Webster]

Uropygial gland, a peculiar sebaceous gland at the base of the tail feathers in most birds. It secretes an oily fluid which is spread over the feathers by preening.

For further exploring for "uropygial" in Webster Dictionary Online