Wiktionary
alt. A fireproof metal box, stored in a secure vault, for holding personal valuables n. A fireproof metal box, stored in a secure vault, for holding personal valuables
WordNet
n. a fireproof metal strongbox (usually in a bank) for storing valuables [syn: safe-deposit, safety-deposit, safety deposit box, deposit box, lockbox]
Usage examples of "safe-deposit box".
As in the newspaper photo Bosch had seen, hundreds of safe-deposit box doors stood open.
After all, this was where he had typed the letter that he'd put in the safe-deposit box, so this must be where he had heard the news.
In addition, a numbered bank account will be opened for you in Zurich, along with a safe-deposit box.
He'd have to do some quick shopping in the morning, and also visit his bank to pull his Demetrius passport out of the safe-deposit box.
If they had wanted to leave an upsetting teaser in the safe-deposit box, they would have left a photo of the warehouse that he had robbed in New Jersey.