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hostess (in a ryokan); waitress (in a traditional restaurant)
旅館の女中が部屋を案内した。
The inn's waitress showed us to our room.
女中が食事を運んでくれた。
The waitress brought our meal.
昔は大きな家には何人もの女中がいたそうだ。
I heard that in the old days, large houses had several maids.