Firing

Fir·ing

Firing

n.
  1. The act of discharging firearms.
  2. The mode of introducing fuel into the furnace and working it.
  3. The application of fire, or of a cautery.
  4. The process of partly vitrifying pottery by exposing it to intense heat in a kiln.
  5. Fuel; firewood or coal. [Obs.]

Phrases & Compounds
Firing iron
an instrument used in cauterizing.