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

Matthew Loveless, a vice president at Northwestern Mutual, based in Ohio, says retirees need to be upfront with their adult children, some of whom might be expecting an inheritance that they intend to rely on.

From BBC ● Sep. 21, 2026

When Ohio mother Kassi Meyer asked if she should label one paid clip as an ad, a campaign manager texted back: “Say it’s not.”

From The Wall Street Journal ● Sep. 21, 2026

The Oilers have Ohio State-bound Brady Edmunds at quarterback in his fourth season as a starter, and rapidly developing receiver Dylin Bruce, who has committed to Arizona State.

From Los Angeles Times ● Sep. 20, 2026

I spoke recently with Jefferson Kelley, an Ohio father of three, one of them being 20-year-old sailor Jackson Kelley, who serves on the Lincoln.

From Salon ● Sep. 19, 2026

He was born on November 19, 1831, in his parents’ log house in northeastern Ohio.

From "Ambushed!" by Gail Jarrow