胃いカタルいカタルMeanings1noungastric catarrhMedical term for inflammation of the stomach lining, often associated with excess mucus. Used in clinical contexts.胃いカタルと診しん断だんされ、しばらく食しょく事じ制せい限げんをすることになった。I was diagnosed with gastric catarrh and had to follow dietary restrictions for a while.