gastroenteritis gastroenteritic • gastroenteroanastomosis · · · Info · Definitions · Synonyms · Characters · · gastroenteritis · · Text Latin · · Script 15 · · Length Definitions · · · (noun) inflammation of the stomach and intestines; can be caused by Salmonella enteritidis. Synonyms: stomach flu, intestinal flu. · · Noun Definition 1 Synonyms · · · stomach flu · · Synonym 1 intestinal flu · · Synonym 2 Characters · · 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 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