VAULT, n. [L. vultus; a derivative of L. volvo, volutus.]1. A continued arch, or an arched roof. Vaults are of various kinds, circular, elliptical, single, double, cross, diagonal, Gothic, &c.2. A cellar.To banish rats that haunt our vault.3. A cave or cavern.The silent vaults of death, unknown to light.4. A repository for the dead.5. In the manege, the leap or a horse.
VAULT, v.t. To arch; to form with a vault; or to cover with a vault; as, to vault a passage to a court.
VAULT, v.i.1. To leap; to bound; to jump; to spring.Vaulting ambition, which o'erleaps itself -Leaning on his lance, he vaulted on a tree.Lucan vaulted upon Pegasus with all the heat and intrepidity of youth.2. To tumble; to exhibit feats of tumbling or leaping.