VAULT

(ROOM) [noun] [C] - a room, esp. in or under the ground floor of a large building, which is used to store things in safe conditionsMuseums usually keep original transparencies and negatives of photographs in temperature-controlled, dark storage vaults.Compare cellar.In a bank, a vault is where money, jewellery, important documents, etc. are locked for protection.In the robbery, the bank vaults were completely emptied and they lost most of their files, deeds and records.The steel and concrete vaults hold 800 000 gold bars.A vault is also a room under a church or is a small building in a cemetery (= area of ground used for burying dead bodies) where dead bodies are kept.His coffin was placed in what was to be a temporary vault.She was buried in the family vault.