vault (1) — OET

vault1

noun

1 the vault was supported on eight massive stone piers:

arched roof, arched ceiling, dome, arch.

2 the vault under the church:

cellar, basement, underground chamber, crypt, undercroft, catacomb, cavern;

burial chamber, tomb, sepulchre.

3 valuables stored in the vault:

strongroom, safe deposit, safety deposit, safe, repository, depository, treasury.

vault (1) Oxford Dictionary of English