portfire

portfire

(ˈpɔːtˌfaɪə)
n
(Firearms, Gunnery, Ordnance & Artillery) (formerly) a slow-burning fuse used for firing rockets and fireworks and, in mining, for igniting explosives
[C17: from French porte-feu, from porter to carry + feu fire]
References in periodicals archive ?
Containing 18 BIG fireworks this set is about 20 minutes of top class entertainment and comes complete with firing tubes and portfires.
For those with a bigger budget this set of 97 fireworks and a set of 15 portfires (for lighting the fuses) will last for ages and contains all manner of light shows inside.