/ Dictionary / Index S safe-deposit box: Meaning and Definition of Find definitions for: safe'-deposit box" Pronunciation: [key] a lockable metal box or drawer, esp. in a bank vault, used for safely storing valuable papers, jewelry, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. safe-deposit safeguard Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language