Sky-line.—The outline which a building will show against the sky.
Spandrel.—The triangular (or other shaped) space between the outside of an arch and the mouldings, or surfaces inclosing it or in contact with it. (See Fig. [s], under Diaper.)
Spire.—The steep and pointed roof of a tower (usually a church tower).
Spire-light (or Lucarne).—A dormer window (which see) in a spire.
Splay.—A slope making with the face of a wall an angle less than a right angle.
Stage.—One division in the height of any building or portion of a building where horizontal divisions are distinctly marked, e.g., the belfry stage of a tower, the division in which the bells are hung.
Steeple.—A tower and spire in combination. Sometimes applied to a tower or spire separately.
Stepped Gable.—A gable in which, instead of a sloping line, the outline is formed by a series of steps.
Stilted Arch.—An arch of which the curve does not commence till above the level of the impost (which see).
Story.—(1) The portion of a building between one floor and the next; (2) any stage or decidedly marked horizontal compartment of a building, even if not corresponding to an actual story marked by a floor.