/ Dictionary / Index F firecracker: Meaning and Definition of Find definitions for: fire•crack•er Pronunciation: (fīr'krak"ur), [key] — n. a paper or cardboard cylinder filled with an explosive and having a fuse, for discharging to make a noise, as during a celebration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: firecracker (Thesaurus) fire control firecracker flower Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language