Definition of horseshoe crab in English:

horseshoe crab

Line breaks: horse|shoe crab

noun

  • A large marine arthropod with a domed horseshoe-shaped shell, a long tail spine, and ten legs, little changed since the Devonian.
    • Class Merostomata, subphylum Chelicerata: four species, in particular the North American Limulus polyphemus
    More example sentences
    • Many arthropods are also present including the horseshoe crab Mesolimulus and the crayfish Mecochirus.
    • Where space permits, oysters and jingle shells sometimes anchor themselves to the horseshoe crab.
    • The horseshoe crab, which is not really a crab but more closely related to scorpions and spiders, has been described as an armored box that moves.

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