Limulus polyphemus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
• Syn:
horseshoe crab, king crab, Xiphosurus polyphemus
• Hypernyms:
arthropod
• Member Holonyms:
Limulus, genus Limulus