Extrados
The exterior curve of an arch taken from the outside of the voussoirs or the visible boundary of the outside of an arch. These can be quite ornate. (The inside curve of an arch is the intrados or soffit.)
The exterior curve of an arch taken from the outside of the voussoirs or the visible boundary of the outside of an arch. These can be quite ornate. (The inside curve of an arch is the intrados or soffit.)
