Inner curtain

Inner Curtain - The high wall the surrounds the inner ward.
Inner Ward - The open area in the center of a castle.
Jamb - Side posts of arch, door, or window.

Inner curtain wall: The inner curtain of a fortification surrounding the inner bailey. See concentric castle, curtain.

Impost - wall bracket to support arch.
Inner Curtain - the high wall the surrounds the inner ward.
Inner Ward - the open area in the center of a castle.
Iron Age - in Britain from c.600 BC to Roman period.
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See also: Dungeon, Aperture, Pediment, Enceinte, Church