Meaning of VAULT in English
~ 1 [ vɔ:lt ]
1》 a roof in the form of an arch or a series of arches, typical of churches and other large, formal buildings.
2》 a large room or chamber used for storage, especially an underground one.
↘a secure room in a bank in which valuables are stored.
↘a chamber beneath a church or in a graveyard used for burials.
3》 Anatomy the arched roof of a cavity, especially that of the skull.
■ verb [usu. as adjective ~ed ] provide with or form into an arched roof.
ME: from OFr. voute , based on L. volvere 'to roll'.
~ 2 [ vɔ:lt ]
■ verb leap or spring while supporting or propelling oneself with the hands or a pole.
■ noun an act of ~ing.
C16: from OFr. volter 'to turn a horse, gambol'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004