uropygium [yoo r-uh-pij-ee-uh m] ExamplesWord Origin noun Ornithology.
- the projecting terminal portion of a bird’s body, from which the tail feathers spring.
Origin of uropygium 1805–15; New Latin Greek ouropȳ́gion, variant (with ouro-) of orropȳ́gion, equivalent to orro-, combining form of órros sacral bone + pȳg(ḗ) rump, buttocks + -ion diminutive suffix Examples from the Web for uropygium Historical Examples of uropygium
In some of the families the uropygium is recorded as small in suspiciously close to 25 per cent of the offspring.
Charles Benedict Davenport
Seaside Sparrows have a mid-dorsal row of downs in the dorsal tract near the uropygium.
Glen E. Woolfenden
The uropygium also, which in the European bird is entirely white, is in our specimen partially variegated with black.
Phillip Parker King
The tail length, however, is measured from the base of the uropygium to the tip of the longest pair of rectrices.
Uropygium: the ovipositor when it is a mere extension of the abdominal segments.
John. B. Smith
British Dictionary definitions for uropygium uropygium noun
- the hindmost part of a bird’s body, from which the tail feathers grow
Derived Formsuropygial, adjectiveWord Origin for uropygium C19: via New Latin from Greek ouropugion, from uro- ² + pugē rump