/ Dictionary / Index T Thjórsá: Meaning and Definition of Find definitions for: Thjórs•á Pronunciation: (thyôr'sou, thyōr'- Icel. thyōrs'ou), [key] — n. a river in central Iceland, flowing SW to the Atlantic Ocean. ab. 143 mi. (230 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Thjazi Th.M. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language