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Definition of rio de la plata
rio de la plata
• noun
1
A massive estuary and river system formed by the confluence of the Uruguay and the Paraná rivers on the southeastern coast of South America, acting as the border between Argentina and Uruguay.
Word Nuance & Usage
Often referred to as the 'River Plate' in British English contexts, particularly historically or when referencing sports clubs.
• 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 de la plata. In Wordmom Dictionary. Retrieved Oct 20, 2026, from https://wordmom.com/dictionary/rio%20de%20la%20plata