The term 70s Club refers to a popular DISCO club in the 1970s. The crossword solution for this term is DISCO, which is an abbreviation for discotheque, a type of nightclub that plays recorded music for dancing. DISCO clubs were popular in the 1970s and featured a variety of music genres such as funk, soul, and pop. They were often associated with flashy lights, colorful costumes, and elaborate dance moves. 70s Club was one of the most popular DISCO clubs of the era, attracting people from all walks of life.