abdominal cavity abdominal breathing • abdominal delivery · · · Info · Definitions · Synonyms · Characters · · abdominal cavity · · Text Common · · Latin · · Scripts 16 · · Length 7 · · Syllables Definitions · · · (noun) the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm. Synonyms: abdominal cavity, abdomen. · · Noun Definition 1 Synonyms · · · abdomen · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079