SCALE n.
ting of a slip of wood, ivory, or metal, with one or more sets of spaces graduated and numbered on its surface, for measuring or laying off distances, etc., as in drawing, plotting, and the like. See Gunter's scale.
SHAFT n.
slender, smooth stem of an arrow; hence, an arrow. His sleep, his meat, his drink, is him bereft, That lean he wax, and dry as is a shaft. Chaucer. A shaft hath three principal parts, the stele [stale], the feathers, and the head. Ascham.
SPUN n.
on a military expedition. -- Spun silk, a cheap article produced from floss, or short-fibered, broken, and waste silk, carded and spun, in distinction from the long filaments wound from the cocoon. It is often mixed with cotton. -- Spun yarn (Naut.), a line formed of two or more rope-yarns loosely twisted.…