boyar

/boʊˈjɑr/
noun
  1. A member of the highest rank of the feudal nobility in Russia and other Eastern European countries, especially from the 10th to the 17th centuries.
    • The boyar owned vast estates and had great influence over the tsar's decisions.
    • The power of the boyars declined after Ivan the Terrible centralized the government.
    • In medieval Russia, a boyar could command his own army of loyal soldiers.
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