Breadcrumb Home > Thesaurus > A Synonyms of abdomen Find synonyms for: Noun1. abdomen, venter, stomach, belly, body partusage: the region of the body of a vertebrate between the thorax and the pelvis2. abdominal cavity, abdomen, cavity, bodily cavity, cavumusage: the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragmWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of abdomen (Dictionary) ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language