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archduke

American  
[ahrch-dook, -dyook] / ˈɑrtʃˈduk, -ˈdyuk /

noun

  1. a title of the sovereign princes of the former ruling house of Austria.

archduke British  
/ ˈɑːtʃˈdjuːk /

noun

  1. a chief duke, esp (since 1453) a prince of the Austrian imperial dynasty

"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

Etymology

Origin of archduke

1520–30; earlier archeduke < French archeduc (now archiduc ). See arch- 1, duke

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.