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.