vbl. sb. [f. KNAP v.1 + -ING1.] The action of KNAP v.1; the action of striking or knocking; a. spec. a form of cheating in throwing dice (see quots., and cf. KNAP sb.2 3); b. in mod. local use, the action of breaking stones or flints.
a. 1680. Kirkman, Eng. Rogue, IV. 226. Knapping, is when you strike one Die dead.
1822. Scott, Nigel, xxiii. Men talk of high and low dice, topping, knapping, slurring.
b. 1835. Carlyle, Lett., in Froude, Life in Lond. (1884), I. i. 24. Walk out of this if even into the knapping of stones.
1887. Magazine of Art, X. 406. The third process, or knapping. Holding the flake or strip of flint with its face uppermost upon a stake of iron [etc.].
1892. Daily News, 2 Dec., 6/1. There has never been a cessation of the Brandon flint knapping.
c. attrib., as knapping-hammer, -machine, -tool.
1785. Burns, 1st Ep. to Lapraik, xi. Yed better taen up spades and shools Or knappin-hammers.
1883. Archæol. Cant., XV. 103. I have discovered numerous flint hammers, and knapping tools.