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单词 pygostyle
释义

Definition of pygostyle in English:

pygostyle

noun ˈpʌɪɡə(ʊ)stʌɪlˈpīɡəˌstīl
Ornithology

  • (in a bird) a triangular plate formed of the fused caudal vertebrae, typically supporting the tail feathers.

    〔鸟〕尾综骨

    Example sentencesExamples
    • All birds, both fossil and modern, have reduced the tail to a mass of fused vertebrae termed the pygostyle.
    • The tail is shortened and fused to form a pygostyle which bears tail feathers (retrices).

Origin

Late 19th century: from Greek pugē 'rump' + stulos 'column'.

Definition of pygostyle in US English:

pygostyle

nounˈpīɡəˌstīl
Ornithology

  • (in a bird) a triangular plate formed of the fused caudal vertebrae, typically supporting the tail feathers.

    〔鸟〕尾综骨

    Example sentencesExamples
    • The tail is shortened and fused to form a pygostyle which bears tail feathers (retrices).
    • All birds, both fossil and modern, have reduced the tail to a mass of fused vertebrae termed the pygostyle.

Origin

Late 19th century: from Greek pugē ‘rump’ + stulos ‘column’.
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更新时间：2025/6/19 7:32:22