攻せめ太だい鼓こ

noun

attack-signaling drum

Historical term for a drum used in ancient Japanese warfare to signal the start of an attack.

• 戦せん国ごく時じ代だいの合かっ戦せんでは、攻せめ太鼓だいこが打うち鳴ならされると同どう時じに兵へいが突とつ撃げきした。

  In battles of the Warring States period, soldiers charged as soon as the attack drum was sounded.