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  1. Oxford American Dictionary

    Chelicerata

    • IPA[kəˌlisəˈrädä]

    美式

    • plural
      a large group of arthropods that comprises the arachnids, sea spiders, and horseshoe crabs. They lack antennae, but possess a pair of chelicerae, a pair of pedipalps, and (typically) four pairs of legs.
    • 更多解釋

    Chelicerata

    • IPA[kəˌlɪsəˈreɪtə]

    英式

    • plural
      a large group of arthropods that comprises the arachnids, sea spiders, and horseshoe crabs. ...

    Oxford Dictionary