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

A linebacker from Tampa, the 17-year-old five-star junior has offers from 50 colleges, including Notre Dame, Ohio State and LSU.

From The Wall Street Journal • May 10, 2026

Born in Cincinnati, Ohio in November 1938, Robert Edward "Ted" Turner III went to a military boarding school in Tennessee, and then attended Brown University, but was expelled before graduating.

From Barron's • May 6, 2026

It would seem cleaner for your daughter to sell this home and buy in Ohio, and for you to either pay for a home nearby and/or an accessory dwelling unit.

From MarketWatch • May 5, 2026

Vice President JD Vance, who previously represented Ohio in the US Senate, travelled to Cincinnati on Tuesday to cast his ballot for Ramaswamy and others.

From BBC • May 5, 2026

The United States census records Fannie’s birth in Cincinnati, Ohio, in 1872.

From "Fannie Never Flinched" by Mary Cronk Farrell