What is the meaning of Ballroom_dancing?

formal social dancing in couples, popular as a recreation and also as a competitive activity. The ballroom dance repertoire includes dances developed from old European folk dances such as the waltz and minuet, Latin American dances such as the tango, rumba, and cha-cha, and dances of 20th-century origin such as the foxtrot and quickstep.

Source: wiktionary.org