Source : Webster's Revised Unabridged Dictionary (1913)

Fuse \Fuse\, or Fuze \Fuze\, n. (Elec.)
   A wire, bar, or strip of fusible metal inserted for safety in
   an electric circuit. When the current increases beyond a
   certain safe strength, the metal melts, interrupting the
   circuit and thereby preventing possibility of damage.

Fuze \Fuze\, n.
   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.

Source : WordNet®

fuze
     n : any igniter that is used to initiate the burning of a
         propellant [syn: {fuse}, {fusee}, {fuzee}, {primer}, {priming}]