nicking
Nick"ing, n. Etym: [From Nick, v. t.] (Coal Mining) (a) The cutting made by the hewer at the side of the face. (b) pl. Defn: Small coal produced in making the nicking.
Nick"ing, n. Etym: [From Nick, v. t.] (Coal Mining) (a) The cutting made by the hewer at the side of the face. (b) pl. Defn: Small coal produced in making the nicking.