/ Dictionary / Index F fire sign: Meaning and Definition of Find definitions for: fire' sign" Pronunciation: [key] any of the three astrological signs, Aries, Leo, or Sagittarius, that are grouped together because of the shared attributes of enthusiasm, vitality, and interest in spiritual things. Cf. triplicity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fireside chat fire station Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language