/ Dictionary / Index F fire extinguisher: Meaning and Definition of Find definitions for: fire' extin"guisher Pronunciation: [key] a portable container, usually filled with special chemicals for putting out a fire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fire escape firefight 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