noun
- Marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ark shell. Retrieved September 21, 2026, from http://smartdefine.org/ark_shell/definitions/1197332 |
| Chicago | WordNet. 2010. "ark shell" http://smartdefine.org/ark_shell/definitions/1197332 (accessed September 21, 2026). |
| Harvard | WordNet 2010, ark shell, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/ark_shell/definitions/1197332>. |
| MLA | WordNet. "ark shell" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/ark_shell/definitions/1197332> |