Allegheny
Pronunciation : Al"le*ghe`ny
Part of Speech : a.
Definition : 1. Of or pertaining to the Allegheny Mountains, or the region where they are situated. Also Al"le*gha`ny.
2. [From the Allegheny River, Pennsylvania.] (Geol.) Pertaining to or designating a subdivision of the Pennsylvanian coal measure.
Source : Webster's Unabridged Dictionary, 1913