A Buddhist term meaning the clearing of all worldly thoughts; attaining a state of no distractions or being mentally unmoved (clearing one's mind).
寺で座禅を組み、師匠に心頭滅却の教えを受けた。
At the temple I practiced zazen and learned the teaching of clearing the mind from the master.
『心頭滅却すれば火もまた涼し』という言葉は、心を冷静に保つことの比喩だ。
The saying 'If you clear your mind, even fire is cool' is a metaphor for keeping mental calm.