Horse-shoe Arch, an arch more than a semicircle, and so wider above than at its springing.
Hypostyle, literally “under columns,” but used to mean filled by columns.
Impluvium, the space into which the rain fell in the centre of the atrium of a Roman house.
Insula, a block of building surrounded on all sides by streets, literally an island.
Intercolumniation, the space between two columns.
Keyed, secured closely by interlocking.
Kibla, the most sacred part of a Mohammedan mosque.
Lâts, in Indian architecture, Buddhist inscribed pillars.
Mammisi, small Egyptian temples.
Mastaba, the most usual form of Egyptian tomb.