noun
bringing out the pillows and futon (in Zen Buddhism); sleeping
A Zen Buddhist term for the act of laying out bedding or going to sleep, often used in monastic contexts. The extended meaning 'sleeping' is rare and literary.
禅寺では、開枕の合図で就寝の準備を始める。
In a Zen temple, they start preparing for bed at the signal of 開枕.
開枕の時刻が近づくと、僧たちは静かに布団を敷いた
As the time for 開枕 approached, the monks quietly laid out their futons.