/ Dictionary / Index F fire alarm: Meaning and Definition of Find definitions for: fire' alarm" Pronunciation: [key] a signal that warns that a fire has started. a bell, buzzer, siren, horn, etc., that provides such a signal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fire fire-and-brimstone Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language