水みず攻ぜめ

noun

flooding a castle; inundating a castle

Historical siege tactic of diverting a river or building a dam to flood a castle's defenses or force surrender.

• 戦せん国ごく時じ代だいには、水みず攻ぜめで城しろを落おとす戦せん法ぽうが使つかわれた。

  During the Warring States period, the tactic of flooding a castle was used to capture it.

noun

cutting off a castle's water supply

Another historical siege method: blocking or diverting a castle's water source to force surrender through thirst.