Exonarthex. (See Narthex.)

Exostra, Gr. and R. (ἐξώστρα). (1) A flying bridge thrown from a movable tower (acrobaticon) on to the walls of a besieged town, by means of which the assailants made their way into the place. (2) A theatrical machine which was pushed to the front of the stage from behind a curtain which concealed it until it was wanted.

Expeditus (opposed to impeditus), R. Free, unencumbered; light-armed troops (velites) were thus called (expediti), [or any other troops, when they left their impedimenta behind for a forced march, &c.]

Expositories. (See Monstrances.)

Exsequiæ, R. (exsequor, to follow after). A funeral conducted with great pomp. (See Funus.)

Extispicium, R. (exta and inspicio, to inspect). Divination by inspection of the entrails of victims sacrificed on the altar; called also haruspicina.

Extra-dos, Arch. The exterior curve of an arch; opposed to the SOFFIT or INTRA-DOS.

Extremities. In Art, the head, feet, and hands: compare acrolithes.

Ex-voto, Gen. Offerings of any kind in fulfilment of a vow (ex voto).

Eye. In Christian art, the emblem of Providence. Attribute of St. Lucia, as a symbol, not of her martyrdom, but of the meaning of her name (“light”). (See Oudja, Oculus.)