Rí·o de la [ree-aw th e lah] /ˈri ɔ ðɛ lɑ/, an estuary on the SE coast of South America between Argentina and Uruguay, formed by the Uruguay and Paraná rivers, about 185 miles (290 km) long.
Also La Plata.
Also called Plata River; British River Plate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Río de la Plata (ˈrio de la) an estuary on the SE coast of South America, between Argentina and Uruguay, formed by the Uruguay and Paraná Rivers. Length: 275 km (171 miles). Width: (at its mouth) 225 km (140 miles)Also known as: La Plata English name: River Plate
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