monarch

Từ điển Oxford Advanced Learner 8th

mon·arch [monarch monarchs] BrE [ˈmɒnək] NAmE [ˈmɑːnərk] NAmE [ˈmɑːnɑːrk] noun
a person who rules a country, for example a king or a queen

Word Origin:
late Middle English: from late Latin monarcha, from Greek monarkhēs, from monos ‘alone’ arkhein ‘to rule’.

Example Bank:
•a new law which limited the power of the monarch
•Queen Victoria was England's longest reigning monarch.
•The constitutional monarch, as head of state, has limited powers.

• Từ đồng nghĩa / Synonyms:
  monarch butterfly, milkweed butterfly, Danaus plexippus, sovereign, crowned head