Tetrastyle, with four columns.

Thermæ, the great bathing establishments of the Romans.

Topes, in Indian architecture, artificial mounds.

Trabeated, constructed with a beam or beams, a term usually employed in contrast to arches.

Triclinium, in a Roman house, the dining-room.

Triglyph, the channelled feature in the frieze of the Doric order.

Tumuli, mounds, usually sepulchral.

Typhonia, small Egyptian temples.

Velarium, a great awning.

Vestibule, the outer hall or ante-room.