王おう姉しおうしMeanings1nounking's elder sisterA specific kinship term used in royal contexts; refers to the older sister of a king.王おう姉しは王おうの姉あねとして、宮きゅう廷ていで重じゅう要ような役やく割わりを果はたした。The king's elder sister played an important role in the court as the king's sister.