鼓こするこするConjugationMeanings1suru verb (special)beat a drumLiterary or formal verb for striking a drum. In everyday speech, 太鼓を叩く is more common.祭まつりで太たい鼓こを鼓こする。They beat the drum at the festival.2suru verb (special)pluck up courage; summon up courageUsed in the expression 勇気を鼓する (to muster courage). A somewhat formal or literary alternative to 勇気を出す.
