| 单词 | polymyodian | 
| 释义 | polymyodianadj. Ornithology. rare (now historical).   Of a bird: having a syrinx with several distinct muscles; spec. (in Müller's scheme) belonging to the division  Polymyodi of passerine birds, nearly corresponding to the suborder  Oscines (the songbirds). Also: characteristic of such a bird. ΚΠ 1867    Proc. Zool. Soc. 471  				In no one of them does the structure of the skull differ so much from that of a typical polymyodian Coracomorph (e.g. one of the Corvidæ) as does that of the also polymyodian Coccothraustes. 1959    J. Van Tyne  & A. J. Berger Fund. Ornithol. 59  				Two other terms [to describe characteristics of the syringeal muscles in passerine birds], oligomyodian and polymyodian, appear in the nineteenth century literature, but are now obsolete. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < | 
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