Pronunciation: (rē'ō grand', gran'dē, grän'dā for 1 Port. rē&sec&oobreve grän'di for 2, 3), [key]
Mexican,a river flowing from SW Colorado through central New Mexico and along the boundary between Texas and Mexico into the Gulf of Mexico. 1800 mi. (2900 km) long.
a river flowing W from SE Brazil into the Paraná River. 650 mi. (1050 km) long.