/ Dictionary / Index G gunlock: Meaning and Definition of Find definitions for: gun•lock Pronunciation: (gun'lok"), [key] — n. the mechanism of a firearm by which the charge is exploded. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gunlock (Thesaurus) gunky gunmaker Related Content Daily Word Quiz: stellar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language