けいしTop 25000MeaningsNoun1. older brother and older sister (Formal)Other spellings兄けい姉しUsage share unknownOther readings兄姉きょうだいきょうだいKanji in other spellings兄older brother姉older sisterPitch accentけいしUsed in vocabulary諸しょ兄けい姉しladies and gentlemenNoun