JMdict: 2077200

嚆矢 【こうし】

  1. [n] whistling arrow used to signal the start of battle
  2. [n] start (e.g. of a movement); beginning; dawn
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
嚆 Call コウ さけ.ぶ
矢 Dart, Arrow シ や 2