noun
legal wife of an emperor or king; queen consort; empress
Refers specifically to the official, legitimate spouse of a monarch, as opposed to a concubine or secondary consort. Used in historical and modern contexts for imperial or royal families.
正妃は国の儀式で重要な役割を果たす。
The queen consort plays an important role in state ceremonies.
彼女は国王の正妃として迎えられた。
She was welcomed as the king's legal wife.