Source : WordNet®

safe-deposit
     adj : safe for the storage of valuables; "kept the deed in his
           safe-deposit box at the bank" [syn: {safety-deposit}]

safe-deposit
     n : a fireproof metal strongbox (usually in a bank) for storing
         valuables [syn: {safe-deposit box}, {safety-deposit}, {safety
         deposit box}, {deposit box}, {lockbox}]