Vault, v. i. [Cf. OF. volter, F. voltiger, It. voltare to turn. See Vault, n., 4.]
1. To leap; to bound; to jump; to spring.
Vaulting ambition, which o'erleaps itself. Shak.
Leaning on his lance, he vaulted on a tree. Dryden.
Lucan vaulted upon Pegasus with all the heat and intrepidity of youth. Addison.
2. To exhibit feats of tumbling or leaping; to tumble.