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Frederick I

Definitions of Frederick I
  1. noun
    Holy Roman Emperor from 1152 to 1190; conceded supremacy to the pope; drowned leading the Third Crusade (1123-1190)
    synonyms: Barbarossa, Frederick Barbarossa
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    example of:
    Holy Roman Emperor
    sovereign of the Holy Roman Empire
  2. noun
    son of Frederick William who in 1701 became the first king of Prussia (1657-1713)
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    example of:
    Rex, king, male monarch
    a male sovereign; ruler of a kingdom
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