/ Dictionary / Index F fire department: Meaning and Definition of Find definitions for: fire' depart"ment Pronunciation: [key] the department of a municipal government charged with the prevention and extinguishing of fire. the personnel in such a department. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. firedamp firedog Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language