Fig. s.—Diaper in Spandrel, from Westminster Abbey.
Dogtooth.—A sharply-pointed ornament in a hollow moulding which is peculiar to Early English Gothic. It somewhat resembles a blunt tooth.
Dormer Window.—A window pierced through a sloping roof and placed under a small gable or roof of its own.
Dome.—A cupola or spherical convex roof, ordinarily circular on plan.
Domical Vaulting.—Vaulting in which a series of small domes are employed; in contradistinction to a waggon-head vault, or an intersecting vault.
Double Tracery.—Two layers of tracery one behind the other and with a clear space between.
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| E. E. | The Gothic architecture of England in the thirteenth century. Abbreviated E. E. | |
| Early English. |
Eaves.—The verge or edge of a roof overhanging the wall.