/ Dictionary / Index D downburst: Meaning and Definition of Find definitions for: down•burst Pronunciation: (doun'bûrst"), [key] — n. a strong downward current of air from a cumulonimbus cloud, often associated with intense thunderstorms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. down-bow down card Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language