#vault

• Arcade — An architectural load-bearing structure consisting of an arch and its supporting elements (pillars, columns), used to support a vault, a wall, or as a decorative element. In anatomy, it denotes a bone, vascular, or nerve formation shaped like an arch (such as the brow ridge or dental arch). In geography, it represents a natural curved opening formed by erosion in rock.
• Arched — Having a curved, bent, or vaulted shape resembling an arch; a structural or geometric element specially configured to distribute weight or to follow a concave or convex trajectory. In architecture, it describes an opening, ceiling, or bridge supported by mechanical arches.
• Arches — The plural form of the neuter noun 'arc'; curved structural or decorative elements supported by two endpoints, used in architecture to span a space or support a vault or wall. In geometry, it represents continuous portions of curved lines, especially of circles, bounded by two distinct points. In music and engineering, it refers to springs acting as elastic mechanisms or bows used for stringed instruments.