英日字典: horseshoe_crab
    The horseshoe_crab has 1 Senses.
-  xiphosurus polyphemus, horseshoe crab, limulus polyphemus, king crab
 -  兜蟹
 - large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse
 - 蹄鉄とかたい先鋭なテールのように形成される半球形の甲羅を持っている北アメリカの大西洋岸の大きい海洋の節足動物
 
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