Ab-dō'men, n.

(Synop., § 130), n. [Lat. abdomen, prob. from abdere, to hide, and omentum, entrails, or a contraction and transposition of adipomen, from adeps, fat, grease.]

1. (Anat.) The belly, or that part of the body between the diaphragm and the inner surface of the pelvis: it contains the stomach and other viscera. Also, often restricted to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity. Dunglison.
2. (Entom.) That part of the body posterior to the corselet, forming the most posterior of the sections into which the body is divided. Brande.