grand duke definition

  • noun:
    • A nobleman that is the sovereign of a grand duchy.
    • A son or grandson of a czar into the male line.
    • utilized while the name for these types of a nobleman.
    • Ruler or monarch of a grand duchy.
    • Son or grandson of a czar (emperor) associated with the Russian Empire. (an even more literal translation for the Russian could be "grand prince".)
    • See grand duke, under grand.
    • the fantastic horned owl of continental Europe, Bubo maximus.
    • a prince which rules a territory
  • adjective:
    • The European great horned owl or eagle owl (Bubo maximas).

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