/ Dictionary / Index F firestorm: Meaning and Definition of Find definitions for: fire•storm Pronunciation: (fīr'stôrm"), [key] — n. an atmospheric phenomenon, caused by a large fire, in which the rising column of air above the fire draws in strong winds often accompanied by rain. a raging fire of great intensity, as one fueled by oil or gas, that spreads rapidly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: firestorm (Thesaurus) firestop fire support Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language