Definition of "archduke" []

• In certain royal families, especially that of imperial Austria, a nobleman having a rank equivalent to that of a sovereign prince. (noun)
• Used as a title for such a nobleman. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Behind the archduke were his two liveried bodyguards, armed and vigilant."
• "The archduke was a man of high-soaring ideas, chivalrous, brave even to the point of audacity, full of expedients and never daunted by failure, but he was deficient in stability of character, and always hampered throughout his life by lack of funds."
• "During this long and dreadful war, the king had suffered no disaster so terrible as this, and the courtiers now declared openly that the archduke was the cause of the royal and national humiliation."