A respectful term for a princess, often used in historical or fantasy contexts. Can refer to an imperial princess or a daughter of a noble family.
姫宮は美しい着物を着ていらっしゃった。
The princess was wearing a beautiful kimono.
Compound of 姫 (hime, 'princess') and 宮 (miya, 'shrine' or 'prince/princess'), used as an honorific title for a princess.