noun
Vulcan cannon
Refers to the M61 Vulcan rotary cannon or similar Gatling-style aircraft/military cannons. Often used in military, aviation, and mecha contexts.
戦闘機のバルカン砲が火を噴いた。
The fighter jet's Vulcan cannon opened fire.
アニメのロボットは腕にバルカン砲を装備している。
The robot in the anime is equipped with a Vulcan cannon on its arm.