there is a vault in gymnastics which gymnasts jump over and you can have a vault - which is like a safe, where u keep money/goods etc.
Two from the Vault was created in 1992-05.
A vault formed by the intersection at right angles of two barrel vaults.cross vault
Two meanings for still would be peace and quiet.
Words that have two or more meanings are called auto-antonyms.
Sky and vault
Words with two or more meanings are called homonyms.
Cross vault
Two meanings for EAS are Emergency Alert System and European Auto Source.
The three types of vaults commonly used in architecture are the barrel vault, the groin vault, and the ribbed vault. The barrel vault is a continuous series of arches that creates a tunnel-like structure. The groin vault is formed by the intersection of two barrel vaults, producing a more complex space. The ribbed vault features a framework of ribs that support the vault's surface, allowing for greater flexibility in design and the incorporation of decorative elements.
Front Row - 2004 Season Two Vault 2-10 was released on: USA: 31 May 2006
There are 7 vaults as follows: Vault 87 Vault 92 Vault 101 Vault 106 Vault 108 and Vault 112
If you are assuming the first definition for the word vault is an arched structure, then I suppose the space under an arched structure would be number two.