extrados /ek-strāˈdos/ (architecture)

1. The convex surface of an arch
2. The external curve of the keystone of an arch

• decorated
• Decorated style
• decorates
• decorating
• decoration
• Decoration Day
• decorations
• decorative
• decorative arts
• decoratively
• decorativeness
• decorativenesses
• decorator
• decorators
• decorous
• decorously
• decorousness
• decorousnesses
• decors
• decorticate
• decorticated
• decorticates
• decorticating
• decortication
• decortications