Synonyms for abdomen Found 4 synonyms across 2 meanings for “abdomen”. the region of the body of a vertebrate between the thorax and the pelvis (noun) venterstomachbelly the cavity containing the major viscera (noun) Explore Related Words Rhymes with abdomenSynonyms for venterSynonyms for stomachSynonyms for belly Synonym Finder | Rhyme Finder | Poetry Editor