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						SacristyThe room or closet in which communion equipment, linen, and supplies are kept.
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						Saddle-roofSmall gable roof placed in back of a chimney on a sloping roof to shed water and debris; also called a cricket.
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						SanctuaryThe immediate area around the principal altar.
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						ScarpAn artificial cutting away of the ground to form a steeper slope.
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						Scotia, trochylusA concave molding that curves to a half-round creating a semi-circle or half an ellipse.
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						ScriptoriumArea in a monastery where books and documents were written, copied, and illuminated.
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						Sculpture-in-the-roundFree-standing sculpture that can be viewed from all sides.
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						semi-circularComprised of a semi-circle
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						ShaftThe structural member which serves as the main support of a column or pier. The shaft is between the capital and the base.
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						Side-aisleA long, narrow space that is located at the side of, and parallel to, the nave of a church. An arcade of columns or piers usually separates an aisle from the nave. It is sometimes referred to as a side aisle.
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						SlopingPart of a building or a decoration on a slant.
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						Small bondBond with broken ashlar of less than 20 cm, assembled in no particular order
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						Small columnSmall column with an elongated shaft.
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						SpandrelThe roughly triangular wall space between two adjacent arches.
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						SpirePolygonal or conical attic space of a tower or bell tower.
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						SplayDiagonally cut–away surround of a window or doorway, in which the opening widens towards the face of the wall, thereby admitting more light and increasing the angle of view for observation or shooting through.
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						SpringerThe lowest voussoir on each side of an arch.
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						SquinchSmall arch in the corner of a building that converts a square space to an octagonal area which may then be covered with a dome.
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						SquinchSmall arch in the corner of a building that converts a square space to an octagonal area which may then be covered with a dome.
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						Stained glassThe art of cutting colored glass into different shapes and fitting them into channeled lead strips, which are also called came.
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						Stone facingVisible side of a wall built of freestone.
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						Straight pointed archArch composed of two straight segments cut at an acute angle (triangular).
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						Strap hingeMetal band, often decorative, attached flat against a door, enabling said door to be supported on its hinge
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						Stuc, StuccoA mixture of cement, sand, lime and water spread over metal screening or chicken wire or wooden lath on wooden walls to form the exterior covering of and exterior wall.
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						StylobateA course of masonry forming the foundation for a row columns, esp. the outermost colonnade of a classical temple.

