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: king crab, Limulus polyphemus, Xiphosurus polyphemus
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). horseshoe crab. Retrieved September 20, 2026, from http://smartdefine.org/horseshoe_crab/definitions/1196449 |
| Chicago | WordNet. 2010. "horseshoe crab" http://smartdefine.org/horseshoe_crab/definitions/1196449 (accessed September 20, 2026). |
| Harvard | WordNet 2010, horseshoe crab, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/horseshoe_crab/definitions/1196449>. |
| MLA | WordNet. "horseshoe crab" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/horseshoe_crab/definitions/1196449> |