VAULT

Definitions

1. 1. An arched structure of masonry, forming a ceiling or canopy. The long-drawn aisle and fretted vault. Gray.
2. 2. An arched apartment; especially, a subterranean room, use for storing articles, for a prison, for interment, or the like; a cell; a cellar. "Charnel vaults." Milton. The silent vaults of death. Sandys. To banish rats that haunt our vault. Swift.
3. 3. The canopy of heaven; the sky. That heaven's vault should crack. Shak.
4. 4. A leap or bound. Specifically: --
5. 5. A leap by aid of the hands, or of a pole, springboard, or the like.