clubhouse
Refers to a building or room used by a club for meetings, social events, or as a base for activities. Common in sports, golf, and social club contexts.
ゴルフ場のクラブハウスで昼食をとった。
We had lunch at the golf course clubhouse.
新しいクラブハウスが来月オープンする。
The new clubhouse will open next month.