Rustic.—Made of limbs of trees in their natural form.
Sagging.—The bending of a body by its own weight, or by a load placed upon it.
Sapling.—A young tree.
Sash.—The frame which holds the glass of a window. Also applied to the frame with the glass in place.
Scraping.—A piece of glass or the blade removed from a plane is used for scraping a piece of work to give it a smoother surface than can be obtained by using a plane upon it.
Section.—A part.
Section Drawing.—A drawing made of an object, showing it as it would look if you were to cut it open or split it in two. The portions which would have to be cut through, in such an operation, are shaded in a drawing of this kind. E. G. See [Fig. 218], Chapter XV; [Fig. 300], Chapter XXI; and [Fig. 316], Chapter XXII.
A Cross Section is a section taken through the short way of an object.
A Longitudinal Section is a section taken through the long way of an object.
Selvage.—The selvage of cloth or wire-mesh is the edge which has been so woven as to prevent ravelling.
Semicircle.—Half a circle.
Set of a Saw's Teeth. See page [21], Chapter II.