Allegheny Mountains Syllabification: (Al·le·ghe·ny Moun·tains)Pronunciation: /ˌaləˈgānē, -ˈgenē/ (also the Alleghenies)Definition of Allegheny Mountains a mountain range, part of the Appalachian system in the eastern US, which extends from West Virginia through Pennsylvania. Allegheny Mountains in other Oxford dictionaries Definition of Allegheny Mountains in the British & World English dictionary
