- 1a room with thick walls and a strong door, especially in a bank, used for keeping valuable things safe Most of her jewelry is stored in bank vaults.
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- 2a room under a church or in a cemetery, used for burying people She is to be buried in the family vault.
- 3a roof or ceiling in the form of an arch or a series of arches
- 4a jump made by vaulting see pole vault
Check pronunciation: vault