Definitions for "nightclub"
An establishment providing entertainment (as singers, dancers, or comedy acts), usually open late into the night or early morning, typically serving alcoholic beverages and food.
a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink; "don't expect a good meal at a cabaret"; "the gossip columnist got his information by visiting nightclubs every night"; "he played the drums at a jazz club"
a big dark room with a bar at one end, retro European furniture around the perimeter, and color-changing mood lighting that looks like a rainbow on an acid trip
a pretty hostile environment for computer hardware (it's hot, there is constant vibration, and there are lots of airborne particulates from fog machines, etc
a pricey undertaking with a high failure rate