empress

Từ điển Oxford Advanced Learner 8th

emp·ress [empress empresses] BrE [ˈemprəs] NAmE [ˈemprəs] noun
1. a woman who is the ruler of an empire
•the Empress of Egypt
2. the wife of an ↑emperor

Word Origin:
Middle English: from Old French emperesse, feminine of emperere, from Latin imperator ‘military commander’, from imperare ‘to command’, from in- ‘towards’ + parare ‘prepare, contrive’.

Example Bank:
•the empress of Russia