From Longman Dictionary of Contemporary Englishpolkapol‧ka /ˈpɒlkə, ˈpəʊlkə $ ˈpoʊlkə/ noun [countable] APDa very quick simple dance for people dancing in pairs, or a piece of music for this dance —polka verb [intransitive]
Examples from the Corpus
polka• The orchestra was playing a polka and the audience tapped their feet in time to the rhythm.• His pulse was a distant polka retreating into the unknown.• The Fifties polka dot is also resurrected in a variety of vibrant pinks and purples.• Between them they invented a sort of polka, in which their feet did not get too mixed up.• A perennial favourite, the polka dot gets a new lease of life in bold emerald green and brilliant white.Origin polka (1800-1900) French and German, from Czech pulka “half-step”, from pul “half” 