bank vault
- noun
- /bæŋk vɔlt/
- The safe deposit box inside the bank vault contained valuable jewelry and important documents.
- bank vault door
- locked in a bank vault
- kept in a bank vault
Examples
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Well, in early banking, coin could be lodged in a bank vault or with a Goldsmith for safekeeping.
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Now, the newest bank vaults have walls of reinforced concrete five feet thick, backed by six inches of steel.
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So, they found an old book in a bank vault.
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Wow, this must be that old bank vault they mentioned in that article.
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It's an old bank vault!
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It's safe in a bank vault.
Fiction book (1994) -
I think the problem is that the dollars are sitting in bank vaults.
Blog text (17) -
$1 billion earns $17 million a month sitting in a bank vault.
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I forgot they're in the bank vault.
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They opened Mrs French's bank vault today and found her will.
Synonyms
A strong locked room or digital place for keeping valuable things safe
A safe place where people keep documents or other valuable items
How Secure
Surface Forms
Morphology
The meaning 'a secure room in a bank for storing valuables' is directly and compositionally derived from 'bank' (financial institution) + 'vault' (secure room for valuables). This is a regular noun-noun compound following common cross‑linguistic patterns, so a B1 learner who knows both constituents would understand it.
Etymology
Bank vault comes from the word vault, which once meant a very strong room, often with a curved roof, where people kept their valuables. That's why bank vault means the very secure room in a bank where money and important papers are kept 'safe'.