/ Dictionary / Index F fog light: Meaning and Definition of Find definitions for: fog' light" Pronunciation: [key] an automobile headlight throwing light of a color intended to diminish the effect of fog, dust, etc., in the air. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. foghorn fogram Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language