Pronunciation: (plä'tä), [key]
Rí•o de la Pronunciation: (rē'ô &thslash;e lä), [key]an estuary on the SE coast of South America between Argentina and Uruguay, formed by the Uruguay and Paraná rivers, ab. 185 mi. (290 km) long. Also,La Plata.Also called Pla'ta Riv'er; Brit. River Plate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.