Tocantins[tō′kən tēns′; Port tō̂′kän tēns̸h′, -tēns′]
Tocantins definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
river flowing from central Brazil north into the Pará River: c. 1,700 mi (2,736 km)
Tocantins definition by American Heritage Dictionary
A river, about 2,639 km (1,640 mi) long, flowing from central Brazil near Brasília northward to the Pará River southwest of Belém.