櫓やぐら太だい鼓こ

noun

sumo drum; drum announcing bouts

In sumo, the drum beaten on a tower to signal the start of the day's matches or to draw spectators. Also refers to the sound itself.

• 櫓やぐら太鼓だいこの音おとが聞きこえると、取とり組くみが始はじまる合あい図ずだ。

  When you hear the sound of the sumo drum, it's the signal that the bouts are starting.

• 初はつ場ば所しょの朝あさ、櫓やぐら太鼓だいこが響ひびき渡わたった。

  On the morning of the January tournament, the sumo drum resounded.