segmental vault


vault

vault: 1, barrel vault, 2, intersecting vault, 3, domed vault, 4, stilted vault 1. A structure based on the principle of the arch, often constructed of masonry; typically consists of an arrangement of arches that cover the space below; also see barrel vault, cradle vault, cylindrical vault, fan vault, groined vault, lierne vault, rampant vault, ribbed vault, segmental vault, sidewalk vault, stilted vault, tunnel vault, wagon vault, Welsh vault.2. A burial chamber, especially one under a church. 3. An underground chamber especially designed for maintaining electrical equipment. 4. A room for the safekeeping of valuables.