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 few states stand out as the major enforcers, with Massachusetts, New York, Pennsylvania, Ohio and Wisconsin accounting for 40% of all collections.

From MarketWatch ● Aug. 25, 2026

York grew up in Youngstown, Ohio, which is just north of East Palestine.

From Los Angeles Times ● Aug. 24, 2026

One went to an Ohio warehouse for the marketplace Alibris before heading to an industrial complex in Addison, Ill., whose address matched a location for a company with a large book-scanning business.

From The Wall Street Journal ● Aug. 22, 2026

Canada sends about 70% of its exports to the US, and the country is the top trading partner for a number of US states, with Michigan, Kentucky, Indiana and Ohio among the most exposed.

From BBC ● Aug. 22, 2026

“So what if the Ohio kids won two medals today? There are eight more games left to play. This thing is far from over.”

From "Mr. Lemoncello's Library Olympics" by Chris Grabenstein