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.
- synonyms: horseshoe crab, king crab, Limulus polyphemus
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). xiphosurus polyphemus. Retrieved September 20, 2026, from http://smartdefine.org/xiphosurus_polyphemus/definitions/1321598 |
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| MLA | WordNet. "xiphosurus polyphemus" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/xiphosurus_polyphemus/definitions/1321598> |