Allegheny

geographical name Al·le·ghe·ny \ˌa-lə-ˈgā-nē also -ˈge-\

Definition of ALLEGHENY

river 325 miles (523 kilometers) W Pennsylvania & SW New York uniting with the Monongahela at Pittsburgh to form the Ohio

— Al·le·ghe·ni·an \-ˈgā-nē-ən, -ˈge-\ adjective

ALLEGHENY Defined for Kids

geographical name Al·le·ghe·ny \ˌa-lə-ˈgā-nē\

mountains of Appalachian system E U.S. in Pennsylvania, Maryland, Virginia, & West Virginia

Next Word in the Dictionary: Allegheny MountainsPrevious Word in the Dictionary: Allahabad

What made you want to look up Allegheny? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears