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Allegheny

American  
[al-i-gey-nee] / ˌæl ɪˈgeɪ ni /

noun

  1. a river flowing NW from Pennsylvania into SW New York and then S through W Pennsylvania, joining the Monongahela at Pittsburgh to form the Ohio River. 325 miles (525 km) long.


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Example Sentences

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In 2012, a team of researchers investigating reports of synchronous fireflies stayed at their bed-and-breakfast in Kellettville, Pa., a small community surrounded by Allegheny National Forest.

From The Wall Street Journal Jun. 3, 2026

The county executive explained the options: default, or refinance the bonds at a cost of $400 million to Allegheny County.

From Slate Nov. 24, 2025

Allegheny County officials told the BBC that the group had come to apply for mail-in ballots and the officials reiterated that only US citizens can register to vote.

From BBC Oct. 30, 2024

Lori Sarver, 54, has lived in Cranberry Township in southwestern Butler County for 40 years but used to live in Allegheny County.

From Los Angeles Times Jul. 17, 2024

The sun was low and the great mound was casting a shadow that looked long enough to reach the Allegheny Mountains.

From "1491" by Charles C. Mann

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