a tube, cord, or the like, filled or saturated with combustible matter, for igniting an explosive.
Definition: 2
fuze (def 1).
Definition: 3
fuze (def 3).
Definition: 4
have a short fuse, Informal. to anger easily; have a quick temper.
Definition: 5
Electricity. a protective device, used in an electric circuit, containing a conductor that melts under heat produced by an excess current, thereby opening the circuit. Compare circuit breaker.