| 单词 | xiphosuran |
| 释义 | xiphosuran /zif'euh soor"euhn/, adj. 1. belonging or pertaining to the order Xiphosura, comprising the horseshoe crabs. n. 2. an arthropod of the order Xiphosura; a horseshoe crab. [1830-40; < NL Xiphosur(a) order name (irreg. < Gk xíphos sword + -oura, neut. pl. of -ouros -tailed, deriv. of ourá tail) + -AN] |
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