allegheny
1. [ adjective ] of or relating to or located in the Allegheny Mountains
Related terms: Alleghenies
2. [ noun ] (geography) a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River
Synonyms: allegheny_river
Related terms: river New_York Pennsylvania
Similar spelling:   Alleghenies
  allegiant
  alkene
  allegiance
  allegement