extrados /ek-strāˈdos/ (architecture)

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

• camp-shedding
• camp-sheeting
• camp-shot
• campsite
• campsites
• camp-stool
• Camptonite
• camp up
• campus
• campuses
• Campus Martius
• campy
• campylobacter
• campylobacteriosis
• campylobacters
• campylotropous
• CAMRA
• cams
• camshaft
• camshafts
• camsheugh
• camsho
• camshoch
• camstairy
• camstane