/ Dictionary / Index S shift lock: Meaning and Definition of Find definitions for: shift' lock" Pronunciation: [key] a typewriter or computer key that locks the shift key in depressed position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. shift lever shifty Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language