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Definition of rio grande
rio grande
• noun
1
North American A major river in North America that originates in southwestern Colorado and flows southeastward to the Gulf of Mexico, forming a significant portion of the international border between the U.S. state of Texas and Mexico.
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Rio grande. In Wordmom Dictionary. Retrieved Oct 20, 2026, from https://wordmom.com/dictionary/rio%20grande