/ Dictionary / Index F firstling: Meaning and Definition of Find definitions for: first•ling Pronunciation: (fûrst'ling), [key] — n. the first of its kind to be produced or to appear. first offspring. a first product or result. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. first-line First Lord Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language