gastrointestinal system gastrointestinal hormone • gastrointestinal tract · · · Info · Definitions · Synonyms · Characters · · gastrointestinal system · · Text Common · · Latin · · Scripts 23 · · Length 7 · · Syllables Definitions · · · (noun) the system that makes food absorbable into the body. Synonyms: digestive system, gastrointestinal system, systema alimentarium, systema digestorium. · · Noun Definition 1 Synonyms · · · digestive system · · Synonym 1 systema alimentarium · · Synonym 2 systema digestorium · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 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 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079