(n.) Any aquatic animal whose external covering consists of a shell, either testaceous, as in oysters, clams, and other mollusks or crustaceous, as in lobsters and crabs.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). shellfish. Retrieved September 22, 2026, from http://smartdefine.org/shellfish/definitions/2061288 |
| Chicago | Webster's. 2011. "shellfish" http://smartdefine.org/shellfish/definitions/2061288 (accessed September 22, 2026). |
| Harvard | Webster's 2011, shellfish, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/shellfish/definitions/2061288>. |
| MLA | Webster's. "shellfish" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/shellfish/definitions/2061288> |