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.
- Also called Pla·ta Riv·er; British Riv·er Plate.
- Also La Plata.
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How to use Río de la Plata in a sentence
In 1778, it was erected into a Spanish vice-royalty by the name of the vice-royalty of Rio de la Plata.Great Events in the History of North and South America | Charles A. Goodrich
It was he had christened the great stream—Rio de la Plata, the river where silver is.The Wind Bloweth | Brian Oswald Donn-Byrne
In the remarkable increase and expansion of her industries Germany has not forgotten the shores of the Rio de la Plata.The Argentine in the Twentieth Century | Albert B. Martinez
The Brazilian rivers of the Rio de la Plata system are numerous and important.
They inhabit the forest to the south of the Rio de la Plata.The Indian in his Wigwam | Henry R. Schoolcraft
British Dictionary definitions for Río de la 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