tea room; tea ceremony room
A room specifically designed for the Japanese tea ceremony (chanoyu), often with tatami mats, a tokonoma alcove, and a sunken hearth.
茶室で抹茶を点てる。
I prepare matcha in the tea room.
He built a small tea room in the corner of the garden.
この旅館には小さな茶室が併設されている。
This inn has a small tea room attached.
A tea gathering was held in the teacher's tea room.
The guest entered the tea room through the low crawl-in door.
茶室 is the modern standard word for a tea-ceremony room, replacing the archaic tea-room sense of 寮.
rustic tea house in the style of a thatched hut
Compound of 茶 (cha, 'tea') and 室 (shitsu, 'room'). The term became common with the development of the tea ceremony in the Muromachi period.