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 ?
When Preble queried Somers about the length of time he needed to escape, concerned that the portfire and the long cord of hemp and cotton would burn too long, the young officer quietly responded, "I ask for no portfire.
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.