1) 兄姉けいし Parts 兄 姉 #55,399 Link copied! けいし [1] Meaning Shirabe Noun Formal older brother and older sister Kanji 兄 ケイ elder brother, big brother 姉 シ elder sister Forms 兄姉#55,399兄姉けいしけいしけいしきょうだい(jukujikun)きょうだい