8. A small catch or fastening held or closed by means of a
   spring, or one which closes with a snapping sound, as the
   catch of a bracelet, necklace, clasp of a book, etc.

9. (Zo["o]l.) A snap beetle.

10. A thin, crisp cake, usually small, and flavored with
    ginger; -- used chiefly in the plural.

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} (Zo["o]l.), any beetle of the
   family {Elaterid[ae]}, 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.