What is another word for safe-deposit box?
Pronunciation: [sˈe͡ɪfdɪpˈɒsɪt bˈɒks] (IPA) 
A safe-deposit box is a small, secure container for storing valuable items. There are several synonyms for this term, including safety deposit box, safety box, strongbox, vault, and lockbox. A safety deposit box is usually rented from a bank and is a portable, metal container that is kept in a locked vault for added security. A safety box is similar but may also refer to a larger, fixed container that is built into a wall or floor. A strongbox is a reinforced storage container that is designed to resist tampering and force. A vault is a large, secure chamber that is used for storing valuables and is commonly found in financial institutions. Finally, a lockbox is a smaller, portable container that can be used to store keys or other small items.
