• synonyms

grand duke

  1. the sovereign of a territory called a grand duchy, ranking next below a king.
  2. a son of a czar or of a czar's son.
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Origin of grand duke

First recorded in 1685–95
Related formsgrand-du·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for grand duke

Historical Examples of grand duke

  • Frederick assumed the title of grand-duke on the 5th of September 1856.

    Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2


  • The grand-duke had come to demand the Princess of Wirtemberg in marriage.

  • Her father had been ennobled by the Grand-Duke, and she had been his heiress.

    Historic Oddities

    Sabine Baring-Gould

  • It was called 'The Grand-duke's hotel,' and was a smart place.

    My Austrian Love

    Maxime Provost

  • He saw the Grand-duke advancing, and holding out his hand in a manner the most gracious.


    Benjamin Disraeli

British Dictionary definitions for grand duke

grand duke

  1. a prince or nobleman who rules a territory, state, or principality
  2. a son or a male descendant in the male line of a Russian tsar
  3. a medieval Russian prince who ruled over other princes
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012