/ Dictionary / Index T Tocantins: Meaning and Definition of Find definitions for: To•can•tins Pronunciation: (tô"kän-tēns'), [key] — n. a river in E Brazil, flowing N to the Pará River. 1700 mi. (2735 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tocantins (Thesaurus) toby toccata Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language