/ Dictionary / Index A Araguaya: Meaning and Definition of Find definitions for: A•ra•gua•ya Pronunciation: (ä"ru-gwä'yä), [key] — n. a river flowing N from central Brazil to the Tocantins River. ab. 1100 mi. (1770 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: araguaya (Thesaurus) Araguarí arak Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language