Practice or training, especially for performing arts, martial arts, or traditional arts; can also refer to a practice session or rehearsal.
毎週土曜日に剣道の稽古に行っています。
I go to kendo practice every Saturday.
舞台の本番前に何度も稽古を重ねた。
We rehearsed many times before the stage performance.
師匠の下で伝統芸能の稽古を受けている。
I am training in a traditional art under a master.