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Definition of ohio river
ohio river
ohio river Lexical Profile
CEFR
B2
Grade
4
Tier
2
Usage
Rare
• noun
1
American A major river in the United States that forms at the confluence of the Allegheny and Monongahela rivers in Pittsburgh, Pennsylvania, and flows generally southwest to become the largest tributary by volume of the Mississippi River.
Example
"Historically, the Ohio River served as a crucial transportation route for early pioneers migrating westward across the continent."
Word Origin & Etymology
The name 'Ohio' derives from the Seneca (Iroquoian) word 'Ohi:yo'', meaning 'great river' or 'good river'. Combined with the English word 'river'.
Cite this Entry
Wordmom. (2026). Definition of Ohio river. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/ohio river