This is the twice-daily meeting between the student and the master in Zen Buddhism to discuss the student's progress in meditation. The main purpose is to determine whether the student has solved their koan. If not, the incorrect answer is rejected, and the master must then spur the student on to find a correct solution.

Formal meditation study with a Zen master. More specifically, the private meetings between master and disciple in which the master instructs the disciple in meditation.

in Zazen or Zen Buddhism, the ritual meeting or daily consultation between master and student. See also Koan.