noun
- An extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). trilobite. Retrieved September 21, 2026, from http://smartdefine.org/trilobite/definitions/1322327 |
| Chicago | WordNet. 2010. "trilobite" http://smartdefine.org/trilobite/definitions/1322327 (accessed September 21, 2026). |
| Harvard | WordNet 2010, trilobite, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/trilobite/definitions/1322327>. |
| MLA | WordNet. "trilobite" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/trilobite/definitions/1322327> |