noun
A room in a house or hotel for sitting and relaxing, equivalent to a living room or lounge. This is a direct loanword from English and is used in similar contexts.
ホテルのシッティングルームでお茶を飲んだ。
I had tea in the hotel's sitting room.
Variant with interpunct; less common but still encountered.
リビングルーム is the more common term for 'living room' in modern Japanese homes. シッティングルーム is less frequent and may sound slightly old-fashioned or more formal, often associated with hotels or larger houses.
Borrowed from English 'sitting room'.