脂し肪ぼう腫しゅしぼうしゅMeanings1nounlipoma; fatty tumorMedical term for a benign tumor composed of fatty tissue. Used in clinical contexts.背せ中なかにできた脂し肪ぼう腫しゅを切せつ除じょしてもらった。I had a lipoma on my back removed.