vault
nounAn arched structure, usually of masonry or concrete, serving to cover a space.
nounAn arched overhead covering, such as the sky, that resembles the architectural structure in form.
nounA room or space, such as a cellar or storeroom, with arched walls and ceiling, especially when underground.
nounA room or compartment, often built of steel, for the safekeeping of valuables.
nounA burial chamber, especially when underground.
nounAn arched part of the body, especially the top part of the skull.
transitive verbTo construct or supply with an arched ceiling; cover with a vault.
transitive verbTo build or make in the shape of a vault; arch.
intransitive verbTo jump or leap over, especially with the aid of a support such as the hands or a pole.