/ Dictionary / Index F flintlock: Meaning and Definition of Find definitions for: flint•lock Pronunciation: (flint'lok"), [key] — n. an outmoded gunlock in which a piece of flint striking against steel produces sparks that ignite the priming. a firearm with such a lock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flintlock (Thesaurus) flinthead Flintshire Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language