English

Alternative forms

• Alleghany

Proper noun

Allegheny ‎(plural Alleghenies)

1. (with "the") The Allegheny River in Pennsylvania.
2. Allegheny Mountain (Pennsylvania), a major mountain ridge in the northern part of the Allegheny Mountains.
3. Allegheny Mountain (West Virginia – Virginia), a major mountain ridge in the southern part of the Allegheny Mountains.
4. (dated, attributively) The Allegheny Mountains.
5. (dated, attributively) Appalachia(n).
6. Any of several towns or counties in Pennsylvania, Virginia, North Carolina and Kentucky.

Usage notes

• Often used attributively in proper names of places and institutions.

Descendants

• Translingual: allegheniensis