貸座敷
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Meanings
1
rented tatami room
A tatami-mat room rented out for gatherings such as meetings, meals, or entertainment. Historical term associated with Edo-period pleasure quarters, but the basic meaning is a room for hire.
In the Edo period, high-class restaurants were used as rented rooms for banquets.
2
assignation house; brothel
Specifically refers to a room or establishment used for meetings with courtesans or prostitutes in the Edo period. Sense 2 (assignation place) and sense 3 (brothel) are closely related and often overlap in historical context.
In Yoshiwara, many brothels stood side by side.