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Río de la Plata

American  
[ree-aw the lah plah-tah] / ˈri ɔ ðɛ lɑ ˈplɑ tɑ /

noun

  1. an estuary on the southeastern coast of South America between Argentina and Uruguay, formed by the Uruguay and Paraná rivers, about 185 miles (290 km) long.


Río de la Plata British  
/ ˈriːəʊ də lɑː ˈplɑːtə /

noun

  1. See Plata

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

At Martín García Island, Argentina, a series of crags amid the Río de la Plata delta, she tries to make sense of crooked crosses cast from a single mold.

From Los Angeles Times Sep. 30, 2025

Scientists already knew that megaflash-producing storms are particularly likely to form in the North American Great Plains, as well as in South America’s Río de la Plata Basin, and the study confirmed that.

From Scientific American Jul. 5, 2023

Accordingly, rising fortunes in Río de la Plata created a newly favorable environment for those who preferred rupture to reform.

From Textbooks Dec. 14, 2022

There was a strong police presence in Recoleta, the upscale neighborhood in northern Buenos Aires on the Río de la Plata.

From Washington Post Sep. 1, 2022

Reachable by ferry across the Río de la Plata, this Unesco World Heritage site offers centuries-old stone houses, casual restaurants with riverside patios and boutiques selling crafts.

From New York Times Jan. 7, 2011

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