vault vault /ˈvɔlt/

noun

1. () A burial chamber (usually underground)  ( burial vault , vault )
   a burial chamber (usually underground)
   
2. The act of jumping over an obstacle  ( hurdle , vault )
   the act of jumping over an obstacle
    She ran toward the vault and launched herself over it, sticking the landing perfectly
   She ran toward the vault and launched herself over it, sticking the landing perfectly
   
   
3. An arched brick or stone ceiling or roof  ( vault )
   an arched brick or stone ceiling or roof
    The cathedral had a vaulted ceiling supported by arches
   The cathedral had a vaulted ceiling supported by arches
   
   
4. A strongroom or compartment (often made of steel) for safekeeping of valuables  ( bank vault , vault )
   a strongroom or compartment (often made of steel) for safekeeping of valuables
   
   

verb

1. Bound vigorously  ( vault )
   bound vigorously
   
2. Jump across or leap over (an obstacle)  ( overleap , vault )
   jump across or leap over (an obstacle)