nightclub
n. countable A2 Elementary US //ˈnaɪtˌkɫəb// UK //nˈaɪtklʌb// night·club
n. a place where people go late at night to dance, drink, and listen to music. It usually has a loud sound system and a dance floor.
n. an establishment for evening entertainment, typically open late into the night, featuring music, a dance floor, and the sale of alcoholic beverages.
We are going to a nightclub to celebrate her birthday.
The new nightclub in the city center attracts a large crowd every Friday night because of its famous guest DJs.
Urban revitalization projects often struggle to balance the economic benefits of a vibrant nightclub scene with the noise complaints and safety concerns of local residents.
From night + club.
Usage
Often used as a single word, though 'night club' is an accepted but less common variant.