fusee
fusee - noun
a spirally grooved spindle in a clock that counteracts the diminishing power of the uncoiling mainspring
a colored flare used as a warning signal by trucks and trains
a friction match with a large head that will stay alight in the wind
any igniter that is used to initiate the burning of a propellant
fusee - thesaurus
fuse
fuze
fuzee
primer
priming