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Definition of missouri river

missouri river

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• noun

1

North American The longest river in North America, rising in the Rocky Mountains of western Montana and flowing east and south to join the Mississippi River north of St. Louis, Missouri.

• Nearby Words

mississippi river
mississippian
missive
missouri river
misspeak
misspell
misspelling

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Missouri river. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/missouri-river
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