extrados /ek-strāˈdos/ (architecture)

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

• Servite
• servitor
• servitorial
• servitors
• servitorship
• servitorships
• servitress
• servitude
• servitudes
• servlet
• servlets
• servo
• servocontrol
• servocontrols
• servomechanical
• servomechanism
• servomechanisms
• servomotor
• servomotors
• servos
• servus servorum Dei
• sesame
• sesame grass
• sesame oil
• sesames