/ Dictionary / Index F first light: Meaning and Definition of Find definitions for: first' light' Pronunciation: [key] — Southern U.S. Southern U.S. dawn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. first lieutenant first-line Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language