Knăck'er, n.
(năk'er), n. 1. A maker of knacks, toys, or small work.
Sense 2. A rope-maker, or collar-maker. [Obs. or Prov. Eng.] Halliwell.
Sense 3. One who buys worn-out horses for slaughter, and cuts them up for dog's meat. [Eng.]
Sense 4. One of two pieces of wood used by boys to strike together by moving the hand. Halliwell.