| 单词 | pterocymba | 
| 释义 | † pterocymban. Zoology. Obsolete. rare.   A C-shaped sponge spicule with expanded and broadened ends. ΚΠ 1887    W. J. Sollas in  Encycl. Brit. XXII. 417/2  				A common form of anchorate, the pterocymba, results. DerivativesΚΠ 1890    Cent. Dict.  				Pterocymbate, alate, as a cymba; having the form or character of a pterocymba. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2021). < | 
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