Dictionary of Moisture Protection & Restoration

smalto = Colored glass or other pieces of vitreous materials, esp. in minute regular squares, used in mosaic work.

smalto

spandrel = An area, roughly triangular in shape, included between the extradoses of two adjoining arches and a line approxi- mately connecting their crowns (or a space approximately equal to half in case of a single arch); often ornamented with tracery.

spandrel

splayed lintel = An horizontal lintel above a window, each end of which slants toward a cen- ter line through the win- dow; often has a keystone at its center.

splayed lintel

spur = A decorative appendage of the base of a round column resting on a square or po- lygonal plinth.

spur

stepped arch = An arch in which the voussoirs are cut horizontally and/or ver- tically so they fit in with the masonry courses above and below, forming steps.

stepped arch

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