肝かん肥ひ大だいMeanings1nounhepatomegaly; enlarged livermedicineMedical term for an abnormally enlarged liver. Used in clinical contexts.超ちょう音おん波ぱ検けん査さで肝かん肥ひ大だいが認みとめられた。Hepatomegaly was observed on the ultrasound examination.