/ Dictionary / Index E Euphrates: Meaning and Definition of Find definitions for: Eu•phra•tes Pronunciation: (y-frā'tēz), [key] — n. a river in SW Asia, flowing from E Turkey through Syria and Iraq, joining the Tigris to form the Shatt-al-Arab near the Persian Gulf. 1700 mi. (2735 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: euphrates (Thesaurus) euphrasy euphroe Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language