uropygium
[ yoo r-uh-pij-ee-uh m ]
/ ˌyʊər əˈpɪdʒ i əm /
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-
uro-2) of
orropȳ́gion, equivalent to
orro-, combining form of
órros sacral bone +
pȳg(ḗ) rump, buttocks +
-ion diminutive suffix
Words nearby uropygium
uropoiesis,
uroporphyrin,
uroporphyrinogen,
uropygial,
uropygial gland,
uropygium,
uroradiology,
uroscheocele,
uroschesis,
uroscopy,
urosepsis
Example sentences from the Web for uropygium
Seaside Sparrows have a mid-dorsal row of downs in the dorsal tract near the uropygium.
Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima |Glen E. WoolfendenUropygium: the ovipositor when it is a mere extension of the abdominal segments.
Explanation of Terms Used in Entomology |John. B. SmithIn some of the families the uropygium is recorded as small in suspiciously close to 25 per cent of the offspring.
Inheritance of Characteristics in Domestic Fowl |Charles Benedict DavenportThe tail length, however, is measured from the base of the uropygium to the tip of the longest pair of rectrices.
The Subspecies of the Mountain Chickadee |Joseph Grinnell
British Dictionary definitions for uropygium
uropygium
/ (ˌjʊərəˈpɪdʒɪəm) /
noun
the hindmost part of a bird's body, from which the tail feathers grow
Derived forms of uropygium
uropygial, adjectiveWord Origin for uropygium
C19: via New Latin from Greek
ouropugion, from
uro- ² +
pugē rump