/ Dictionary / Index L lockset: Meaning and Definition of Find definitions for: lock•set Pronunciation: (lok'set"), [key] — n. an assembly of parts making up a complete locking system, esp. one used on a door, including knobs, plates, and a lock mechanism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lock seam locksmith Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language