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Noun: tzar  zaa(r)
  1. A male monarch or emperor (especially of Russia prior to 1917)
    - czar, tsar
  2. An official given powers to regulate or oversee a specific policy area
    "the Prime Minister appointed a new drug tzar";
    - tsar, czar

Derived forms: tzars

Type of: crowned head, monarch, sovereign

Encyclopedia: Tzar