Ohio

American  

[oh-hahy-oh] / oʊˈhaɪ oʊ /

noun

1. a state in the northeastern central United States: a part of the Midwest. 41,222 sq. mi. (106,765 sq. km). Columbus. OH (for use with zip code), O.

2. a river formed by the confluence of the Allegheny and Monongahela rivers, flowing southwest from Pittsburgh, Pa., to the Mississippi in southern Illinois. 981 miles (1,580 km) long.

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Ohio British  

/ əʊˈhaɪəʊ /

noun

1. Abbreviation and zip code: OH.  a state of the central US, in the Midwest on Lake Erie: consists of prairies in the W and the Allegheny plateau in the E, the Ohio River forming the S and most of the E borders. Capital: Columbus. Pop: 11 435 798 (2003 est). Area: 107 044 sq km (41 330 sq miles)

2. a river in the eastern US, formed by the confluence of the Allegheny and Monongahela Rivers at Pittsburgh: flows generally W and SW to join the Mississippi at Cairo, Illinois, as its chief E tributary. Length: 1570 km (975 miles)

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Ohio Cultural  

1. State in the northern United States bordered by Michigan and Lake Erie to the north, Pennsylvania and West Virginia to the east, West Virginia and Kentucky to the south, and Indiana to the west. Its capital is Columbus, and its largest city is Cleveland.

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Other Word Forms

• Ohioan
  adjective

Example Sentences

See Examples For:

Ohio

A bigger facility, at 9.2 gigawatts, is planned in Ohio under a public-private partnership involving SoftBank.

From Barron's ● Aug. 7, 2026

But as he aggressively attacks his ex-wife, Emily Moreno, and her father, Ohio Sen. Bernie Moreno, Miller’s behavior is as bizarre as it is unsettling.

From Salon ● Aug. 7, 2026

He was always there when I needed to laugh or cry, and he made our L.A. suburb feel like the small Ohio town where I grew up.

From Los Angeles Times ● Aug. 6, 2026

When he was 9, his family moved to Ohio, where in junior high school it became evident that he had a talent for running.

From The Wall Street Journal ● Aug. 5, 2026

“Remember how a sixth grader in Ohio gave me my name?”

From "A Rover's Story" by Jasmine Warga