archdukedom

noun

arch·​duke·​dom (ˌ)ärch-ˈdük-dəm How to pronounce archdukedom (audio)
-ˈdyük-
plural -s

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Browse Nearby Words

Cite this Entry

“Archdukedom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/archdukedom. Accessed 19 Dec. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!