/ Dictionary / Index D Dallas: Meaning and Definition of Find definitions for: Dal•las Pronunciation: (dal'us), [key] — n. 1792–1864, U.S. diplomat: vice-president of the U.S. 1845–49. a city in NE Texas. 904,078. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dallas (Thesaurus) Dallapiccola dalles Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language