矢や文ぶみ

noun

arrow letter; letter attached to an arrow

A historical method of delivering a message by tying it to an arrow and shooting it. Used in warfare or for covert communication.

• 戦せん国ごく時じ代だいには、矢や文ぶみで敵てきに降こう伏ふくを勧かん告こくすることがあった。

  During the Warring States period, arrow letters were sometimes used to urge the enemy to surrender.