Crossword clue: an early style of musket; a slow-burning wick would be lowered into a hole in the breech to ignite the charge
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
an early style of musket; a slow-burning wick would be lowered into a hole in the breech to ignite the charge