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						TemperaPainting technique using powdered pigments.
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						Tie beamThe horizontal transverse beam in a roof, tying together the feet of the rafters to counteract the thrust.
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						TierceronAdditional rib in an arch which does not join the main arch keystone; exists in Gothic and Renaissance styles
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						TorusA convex molding that is a semi-circle or semi-ellipse.
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						TranseptThe part of a cruciform church with an axis that crosses the main axis at right angles.
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						transept crossingThe area where the nave and choir intercept with the transepts.
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						Transition ( style)Style of the period marking the end of the Roman era and the beginnings of Gothic art.
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						Transverse vaultBarrel arch perpendicular to the building axis.
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						Triangular archPointed arch formed by two segments of a circle intersecting one another at a certain angle.
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						Triangular vaultTriangular arch-shaped vault.
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						TribuneVaulted gallery above the aisles or the narthex with arched mouldings that open on to the nave.
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						TriforiumA narrow passage in the thickness of the wall with arches opening onto the nave.
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						TurretA small, skinny tower usually at the corner of a building.
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						TympanumThe section atop the Lintel of a portal or doorway, enclosed by an arch, often featuring significant sculpture work.

