(1):

(n.) The act of disharging firearms.

(2):

(n.) The mode of introducing fuel into the furnace and working it.

(3):

(n.) The process of partly vitrifying pottery by exposing it to intense heat in a kiln.

(4):

(n.) Fuel; firewood or coal.

(5):

(n.) The application of fire, or of a cautery.