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Noun: horseshoe crab  'hors,shoo krab
  1. 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
    - king crab, Limulus polyphemus, Xiphosurus polyphemus

Derived forms: horseshoe crabs

Type of: arthropod

Part of: genus Limulus, Limulus

Encyclopedia: Horseshoe crab