What is Allegheny?
Allegheny definition and meaning on Dictionary terms:
a river flowing NW from Pennsylvania into SW New York and then S through W Pennsylvania, joining the Monongahela at Pittsburgh to form the Ohio River. 325 miles (525 km) long.
Related formsAlA.leA.gheA.niA.an, AlA.leA.ghaA.niA.an, adjectivetrans-AlA.leA.gheA.niA.an, adjective
Definition for allegheny (2 of 2)Allegheny Mountains
a mountain range in Pennsylvania, Maryland, West Virginia, and Virginia: a part of the Appalachian Mountains.
Also called AlA.leA.gheA.nies.