Noun: horseshoe crab 'hors,shoo krab
- 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
"Horseshoe crabs came ashore to lay their eggs during the full moon";
- king crab, Limulus polyphemus, Xiphosurus polyphemus
Derived forms: horseshoe crabs
Type of: arthropod
Part of: genus Limulus, Limulus
Encyclopedia: Horseshoe crab