Definition of uropygium in English:

uropygium

noun ˌjʊərə(ʊ)ˈpɪdʒɪəmˌyo͝orəˈpijēəm

Zoology

The rump of a bird, supporting the tail feathers.
〔动〕（鸟）尾臀
Example sentencesExamples
- The nape, shoulder, and upper surface of wings are also thickly strewn with white feathers; back and uropygium have likewise many white patches, but getting fewer towards the latter portion.
- The extent of white also on the uropygium varies much in individual examples, sometimes spreading down to the thighs.
Synonyms
hindmost part, back end, appendage

Derivatives

uropygial

adjective

Zoology

The purpose of the current study was to test the importance of preen oil in Rock Doves by removing the uropygial gland and quantifying plumage condition over a period of several months.
Example sentencesExamples
- Accordingly, even though birds without uropygial glands preened at the same rate as birds with glands, the former may have suffered more breakage of feather barbules.
- They use their bills to coat their feathers with oil from the uropygial gland.
- Ovenbirds give off a unique musty odor that is thought to come from the oil in the uropygial gland.

Origin

Late 18th century: via medieval Latin from Greek ouropugion.

Definition of uropygium in US English:

uropygium

nounˌyo͝orəˈpijēəm

Zoology

The rump of a bird, supporting the tail feathers.
〔动〕（鸟）尾臀
Example sentencesExamples
- The nape, shoulder, and upper surface of wings are also thickly strewn with white feathers; back and uropygium have likewise many white patches, but getting fewer towards the latter portion.
- The extent of white also on the uropygium varies much in individual examples, sometimes spreading down to the thighs.
Synonyms
hindmost part, back end, appendage

Origin

Late 18th century: via medieval Latin from Greek ouropugion.

词汇	uropygium
释义	Definition of uropygium in English: uropygium noun ˌjʊərə(ʊ)ˈpɪdʒɪəmˌyo͝orəˈpijēəm Zoology The rump of a bird, supporting the tail feathers. 〔动〕（鸟）尾臀 Example sentencesExamples The nape, shoulder, and upper surface of wings are also thickly strewn with white feathers; back and uropygium have likewise many white patches, but getting fewer towards the latter portion. The extent of white also on the uropygium varies much in individual examples, sometimes spreading down to the thighs. Synonyms hindmost part, back end, appendage Derivatives uropygial adjective Zoology The purpose of the current study was to test the importance of preen oil in Rock Doves by removing the uropygial gland and quantifying plumage condition over a period of several months. Example sentencesExamples Accordingly, even though birds without uropygial glands preened at the same rate as birds with glands, the former may have suffered more breakage of feather barbules. They use their bills to coat their feathers with oil from the uropygial gland. Ovenbirds give off a unique musty odor that is thought to come from the oil in the uropygial gland. Origin Late 18th century: via medieval Latin from Greek ouropugion. Definition of uropygium in US English: uropygium nounˌyo͝orəˈpijēəm Zoology The rump of a bird, supporting the tail feathers. 〔动〕（鸟）尾臀 Example sentencesExamples The nape, shoulder, and upper surface of wings are also thickly strewn with white feathers; back and uropygium have likewise many white patches, but getting fewer towards the latter portion. The extent of white also on the uropygium varies much in individual examples, sometimes spreading down to the thighs. Synonyms hindmost part, back end, appendage Origin Late 18th century: via medieval Latin from Greek ouropugion.
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