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.