寄せ太鼓

よせだいこ【寄せ太鼓】

〔攻めかかる合図の太鼓〕 the beating of a drum to signal the beginning of an attack 《agaist an enemy》; 〔興行場で開場前に客寄せに打つ太鼓〕 the beating of a drum to announce that a performance is about to begin.