safety deposit
/ˈseɪfti dɪˌpɑzɪt/
adjective
- Relating to a secure box or container in a bank vault used for storing valuable items such as jewelry, documents, or money.
- The lawyer placed the original will in a safety-deposit vault.
- She keeps her grandmother's ring in a safety-deposit box at the bank.
- Many people rent a safety-deposit box to protect important papers from fire or theft.