O.

Proper noun

Ohio

1. A state of the United States. Capital and largest city: Columbus.
   • Mountweazel, the encyclopedia indicates, was born in Bangs, Ohio, in 1942, only to die “at 31 in an explosion while on assignment for Combustibles magazine.”2005 August 21, Henry Alford, “Not a Word”, in The New Yorker, →ISSN, archived from the original on 09 Mar 2017
2. A river in the United States, flowing 981 miles from the confluence of the Allegheny and Monongahela at Pittsburgh, Pennsylvania through Ohio, West Virginia, Kentucky, Indiana and Illinois along state borders and emptying into the Mississippi at Cairo, Illinois.
3. A town in Herkimer County, New York.
4. A village in Illinois.
5. An unincorporated community in Mississippi.
6. An unincorporated community in Texas.

See all 10 meanings of Ohio