Chapter Smutch to Snaphead of S by Webster's Dictionary (1913 Edition)

11. Briskness; vigor; energy; decision. [Colloq.]

12. Any circumstance out of which money may be made or an advantage gained. [Slang]

Snap back (Football), the act of snapping back the ball. — Snap beetle, or Snap bug (Zoöl.), any beetle of the family Elateridæ, which, when laid on its back, is able to leap to a considerable height by means of a thoracic spring; — called also snapping beetle. — Snap flask (Molding), a flask for small work, having its sides separable and held together by latches, so that the flask may be removed from around the sand mold. — Snap judgment, a judgment formed on the instant without deliberation. — Snap lock, a lock shutting with a catch or snap. — Snap riveting, riveting in which the rivets have snapheads formed by a die or swaging tool. — Snap shot, a quick offhand shot, without deliberately taking aim.

Snapdragon
(Snap"drag`on) n.

1. (Bot.) (a) Any plant of the scrrophulariaceous genus Antirrhinum, especially the cultivated A. majus, whose showy flowers are fancifully likened to the face of a dragon. (b) A West Indian herb (Ruellia tuberosa) with curiously shaped blue flowers.

2. A play in which raisins are snatched from a vessel containing burning brandy, and eaten; also, that which is so eaten. See Flapdragon. Swift.

Snape
(Snape) v. t. (Shipbuilding) To bevel the end of a timber to fit against an inclined surface.

Snaphance
(Snap"hance`) n. [D. snaphaan a gun, originally, the snapping cock of a gun. See Snap, and Hen.]

1. A spring lock for discharging a firearm; also, the firearm to which it is attached. [Obs.]

2. A trifling or second-rate thing or person. [Obs.]

Snaphead
(Snap"head`) n. A hemispherical or rounded head to a rivet or bolt; also, a swaging tool with a cavity in its face for forming such a rounded head.