vault
Cross references: 1. jump 1. vault \'vo.lt\ n [ME voute, fr. MF, fr. (assumed) VL volvita turn, vault, prob. fr.]volvitare 1a: an arched structure of masonry usu. forming a ceiling or roof 1b: something (as the sky) resembling a vault 1c: an arched or dome-shaped anatomical structure 2a: a space covered by an arched structure; esp : an underground pa ssage or room 2b: an underground storage compartment 2c: a room or compartment for the safekeeping of valuables 3a: a burial chamber 3b: a prefabricated container usu. of metal or concrete into which a casket is placed at burial 2. vault vt : to form or cover with or as if with a vault : ARCH 3. vault vb [MF volter, fr. OIt voltare, fr. (assumed) VL volvitare to tu]rn, leap, freq. of L volvere to roll - more at VOLUBLE : to bound vigorously; esp : to execute a leap using the hands or a pole : to leap over; esp : to leap over by aid of the hands or a pole 4. vault n : an act of vaulting : LEAP
Webster's English Dictionary