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horseshoe crab

a large marine arthropod, Limulus polyphemus, of shallow coastal waters of eastern North America and eastern Asia, having both compound and simple eyes, book gills, a stiff tail, and a brown carapace curved like a horseshoe: a living fossil related to the woodlouse.
Also called king crab.
Origin of horseshoe crab
First recorded in 1765-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for horseshoe crab
Historical Examples
  • I thought of a horseshoe crab, stranded on its back and kicking helplessly.

    Stamped Caution Raymond Zinke Gallun
  • Indian arrow-heads, for any ocean curiosities except a sea-urchin and a horseshoe crab.

  • Perhaps the skate may use them to walk around on the bottom of the ocean, as a horseshoe crab uses his legs for walking.

British Dictionary definitions for horseshoe crab

horseshoe crab

any marine chelicerate arthropod of the genus Limulus, of North America and Asia, having a rounded heavily armoured body with a long pointed tail: class Merostomata Also called king crab
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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