隻せき手しゅの音おん声じょう

expression, noun

the sound of one hand clapping

A classic Zen kōan used in Rinzai Zen training. The phrase itself is a fixed expression and is not used in everyday conversation.

See also: 公案

• 「隻せき手しゅの音おん声じょう」は有ゆう名めいな禅ぜんの公こう案あんです。

  "The sound of one hand clapping" is a famous Zen kōan.