Ohio River

== English == === Etymology === From Seneca ohiːyoʼ, a proper name derived from ohiːyoːh (“good river”), itself already containing the term "river" in Seneca. See more at Ohio. === Proper noun === Ohio River (US) A major river in the United States, flowing 981 miles from the confluence of the Allegheny and Monongahela at Pittsburgh into the Mississippi at Cairo, Illinois. ==== Translations ====