- (n.) The belly or that part of the body between the thorax and the pelvis. Also, the cavity of the belly, which is lined by the peritoneum, and contains the stomach, bowels, and other viscera. In man, often restricted to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity.
- (n.) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). abdomen. Retrieved September 24, 2026, from http://smartdefine.org/abdomen/definitions/1969593 |
| Chicago | Webster's. 2011. "abdomen" http://smartdefine.org/abdomen/definitions/1969593 (accessed September 24, 2026). |
| Harvard | Webster's 2011, abdomen, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/abdomen/definitions/1969593>. |
| MLA | Webster's. "abdomen" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/abdomen/definitions/1969593> |