VAULT

I. noun see: voluble Date: 14th century 1. an arched structure of masonry usually forming a ceiling or roof, something (as the sky) resembling a ~, an arched or dome-shaped anatomical structure , 2. a space covered by an arched structure, an underground storage compartment, a room or compartment for the safekeeping of valuables, 3. a burial chamber, a prefabricated container usually of metal or concrete into which a casket is placed at burial, ~y adjective II. transitive verb Date: 14th century to form or cover with or as if with a ~ ; arch , III. verb Etymology: Middle French volter, from Old Italian voltare, from Vulgar Latin *volvitare to turn, leap, frequentative of Latin volvere Date: 1538 intransitive verb to leap vigorously, to do or achieve something as if by a leap , transitive verb to leap over, IV. noun Date: 1576 an act of ~ing ; leap