✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

Allegheny Mountains

geographical name

mountains of the Appalachian system of the eastern U.S. in Pennsylvania, Maryland, Virginia, and West Virginia

Browse Nearby Words

Cite this Entry

“Allegheny Mountains.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Allegheny%20Mountains. Accessed 27 Nov. 2025.

More from Merriam-Webster on Allegheny Mountains

Love words? Need even more definitions?

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