SOTTO SQUADRO: undercutting. Tra. 141.
SPADAIO: a sword cutler. Tra. 49.
SPAGHETTO: string. Tra. 171.
SPALLA, SPALLETTA: shoulder, end, roof; as of the ends of the furnace bed, or the ramparts of earth around a wax seal that is to be cast. Tra. 105.
SPANNARE: to spread or paint over. Tra. 150.
SPAZZATURE: sweepings; refuse of old bits of metal in goldsmiths’ work. V. 20.
SPECCHIETTO: the reflector, or piece of square glass set beneath a diamond in the bezel; sometimes in conjunction with the process of tinting. Tra. 65. See also [TINTA].
SPEGNERE: to dip or quench. Tra. 48.
SPIANARE: to smooth, planish, polish; as of enamels with the frasinelle; or a metal plate before commencing work. Tra. 21, 26.
SPICCARE: to pick out or raise, as of a figure from its background. Tra. 78.