noun
- 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
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). allegheny river. Retrieved September 21, 2026, from http://smartdefine.org/allegheny_river/definitions/1255753 |
| Chicago | WordNet. 2010. "allegheny river" http://smartdefine.org/allegheny_river/definitions/1255753 (accessed September 21, 2026). |
| Harvard | WordNet 2010, allegheny river, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/allegheny_river/definitions/1255753>. |
| MLA | WordNet. "allegheny river" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/allegheny_river/definitions/1255753> |