noun
- a wedge-shaped stone used in building an arch or vault
Usage: architecture
Examples
- The mason carefully positioned each voussoir to form the cathedral’s grand archway.
- The keystone is the central voussoir that locks the entire arch in place.
- Ancient Roman builders were masters at cutting voussoirs for their aqueducts.
- The architect specified limestone voussoirs for the bridge’s supporting arches.
- Each voussoir must be precisely shaped to distribute the arch’s weight properly.
- The restoration team replaced several damaged voussoirs in the medieval gateway.