See Also: Uropygium(medicine)
uropygium(dictionary)

uropygium (iou)



uropygium noun. L18.
[medieval Latin from Greek ouropugion: see URO-2.]
Zoology. The rump of a bird, supporting the tail feathers.
uropygial adjective pertaining to or situated on the rump;
uropygial gland = oil-gland s.v. OIL noun: L19.