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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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The Pirates have been a perpetual laughingstock ever since Barry Bonds ditched the Allegheny for the San Francisco Bay after leading Pittsburgh to the National League Championship Series in 1992.

From The Wall Street Journal Apr. 9, 2026

Allegheny County put $42.5 million into the build.

From Slate Nov. 24, 2025

“If the climate is changing, and changing kind of rapidly, we have to develop potatoes that are adapted to the new climate,” Walter DeJong, a professor at Cornell University, told The Allegheny Front.

From Salon Mar. 4, 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

She said that it was really fun with everyone all dressed up and dancing to good music played by a deejay instead of The Gypsies of the Allegheny.

From "The Perks of Being a Wallflower" by Stephen Chbosky

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