touchholes

/ˈtʌtʃhoʊlz/
noun
  1. Small openings in early firearms (such as cannons or muskets) through which the gunpowder was ignited.
    • The soldier carefully poured gunpowder into the touchhole of the cannon.
    • In old muskets, the touchhole was often blocked by residue after several shots.
    • The museum displayed a replica of a 17th-century musket with its touchhole clearly visible.
Synonyms
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