What does "fuze" mean?

Fuze: A tube, filled with combustible matter, for exploding a shell, etc. See Fuse, n. Chemical fuze, a fuze in which substances separated until required for action are then brought into contact, and uniting chemically, produce explosion. -- Concussion fuze, a fuze ignited by the striking of the projectile. -- Electric fuze, a fuze which is ignited by heat or a spark produced by an electric current. -- Friction fuze, a fuze which is ignited by the heat evolved by friction. -- Percussion fuze, a fuze in which the ignition is produced by a blow on some fulminating compound. -- Time fuze, a fuze adapted, either by its length or by the character of its composition, to burn a certain time before producing an explosion.