kinnu

pediment

This is a triangular structure that the entablature supports, and it contains a typanum of sculptures

flying buttress

composed of a ramping arch that extends from the upper portion of a wall to a pier of great mass, in order to convey to the ground the lateral forces that push a wall outwards

rib vaulting

an architectural feature for covering a wide space, such as a church nave, composed of a framework of crossed or diagonal arched ribs