Zen monk's quarters
The living quarters of Zen monks within a temple.
Trainee monks sleep and wake in the Zen monks' quarters.
head priest of a Zen temple
Rare metonymic use referring to the head priest, derived from the room they occupy.
The head priest gave a Dharma talk.
Compound of 禅 (Zen) and 室 (room). The meaning 'head priest' is a metonymic extension from the room to its occupant.