/ Thesaurus / A Synonyms of abdominal cavity Find synonyms for: Noun1. 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. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language