/ Dictionary / Index L latchkey child: Meaning and Definition of Find definitions for: latch'key child" Pronunciation: [key] a child who must spend at least part of the day alone and unsupervised, as when the parents are away at work. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. latchkey latch needle Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language