noun
Refers to the wife of an emperor or a queen consort in a monarchy. Used in historical or formal contexts.
皇妃陛下が式典に出席された。
Her Majesty the Empress attended the ceremony.
その絵画には、若き日の皇妃が描かれている。
The painting depicts the empress in her younger days.
Compound of 皇 (imperial) and 妃 (princess/consort). The alternate form 后妃 uses 后 (empress/queen) instead of 皇.