英语词汇“pygostyle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pygostyle
释义	pygostyle /ˈpʌɪɡə(ʊ)stʌɪl / noun Ornithology (In a bird) a triangular plate formed of the fused caudal vertebrae, typically supporting the tail feathers.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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pygostyle