Definitions

1. noun

the region of the body that includes the stomach, intestines, and other organs, typically bounded by the thorax above and the pelvis below.

“The medical student studied the anatomy of the abdomina during her dissection.”

2. noun

a part of a structure or object that is between its upper and lower parts, such as the abdomen of a ship or a machine.

“The engineer checked the mechanics of the machine’s abdomina before finalizing its design.”