say it: vawlt
vault is a noun and verb meaning "a burial chamber (usually underground)". It carries 6 recorded senses.
a burial chamber (usually underground)
a strongroom or compartment (often made of steel) for safekeeping of valuables
an arched brick or stone ceiling or roof
bound vigorously
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for vault come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.