an arched structure, usually made of stones, concrete, or bricks, forming a ceiling or roof over a hall, room, sewer, or other wholly or partially enclosed construction.

an arched structure resembling a vault.

a space, chamber, or passage enclosed by a vault or vaultlike structure, esp. one located underground.

an underground chamber, as a cellar or a division of a cellar.

a room or compartment, often built of or lined with steel, reserved for the storage and safekeeping of valuables, esp. such a place in a bank.

a strong metal cabinet, usually fireproof and burglarproof, for the storage and safekeeping of valuables, important papers, etc.

a burial chamber.

Anatomy . an arched roof of a cavity.

something likened to an arched roof

the vault of heaven.

to construct or cover with a vault.

to make in the form of a vault; arch.

to extend or stretch over in the manner of an arch; overarch

An arbor vaulted the path.

to store in a vault

The paintings will be vaulted when the museum is closed.

to curve or bend in the form of a vault.

noun

basement , box , can , catacomb , cavern , cellar , crib * , crypt , dungeon , grave , mausoleum , pit , repository , safe , safe-deposit box , sepulcher , strong room , tomb , cinerarium , ossuary , sepulture , leap , spring , concameration , fornix , groin , ossuarium , undercroft

verb

arch , ascend , bend , bounce , bound , bow , clear , curve , hop , hurdle , leap , mount , negotiate , over , overleap , rise , soar , spring , surmount , box , casemate , catacomb , cave , cavern , ceiling , cellar , chamber , crater , crypt , dome , dungeon , jump , leap over , mausoleum , repository , roof , room , safe , span , storeroom , strongbox , strongroom , structure , tomb , tumble