Synonyms for Vault (same or very similar meaning)
WordNet sense 1 (a strongroom or compartment (often made of steel) for safekeeping of valuables):
bank vaultWordNet sense 2 (a burial chamber (usually underground)):
burial vaultWordNet sense 3 (jump across or leap over (an obstacle)):
overleapWordNet sense 4 (the act of jumping over an obstacle):
hurdleFrom the ODE community, based on WordNetadd/edit