WordReference Random House Learner's Dictionary of American English © 2025
ˈsafe-deˌpos•it ˌbox, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- a lockable metal box, esp. in a bank vault, for storing valuables. Also called ˈsafe•ty-deˌpos•it ˌbox.
safe′-deposit box′,
- a lockable metal box or drawer, esp. in a bank vault, used for safely storing valuable papers, jewelry, etc.
- 1880–85, American.
'safe-deposit box' also found in these entries (note: many are not synonyms or translations):