from The American Heritage® Dictionary of the English Language, 4th Edition
- A mountain range comprising the western part of the Appalachian Mountains. The range extends about 805 km (500 mi) from northern Pennsylvania to southwest Virginia and rises to approximately 1,483 m (4,862 ft) in northeast West Virginia. The eastern Alleghenies, also called the Allegheny Front, form a steep escarpment and are more rugged than the western portion, known as the Allegheny Plateau, which extends into Ohio and Kentucky.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the western part of the Appalachian Mountains; extending from northern Pennsylvania to southwestern Virginia
Sorry, no etymologies found.
Brigadier General Edward Johnson held the crest of the Allegheny Mountains with a small contingent and had beaten off one attack with so much success that he had received the nom de guerre "Allegheny" Johnson.
McNeil's company and part of Gilmor's battalion had been sent west to the Allegheny Mountains to collect cattle and were now returning by the way of Petersburg with a good lot of them.
The troublesome Federal commander W. W. Averell undertook on December 8 a long raid through the Allegheny Mountains to the Virginia and Tennessee Railroad.