n. & v.
--n.
1. a lively dance of Bohemian origin in duple time.
2 the music for this.
--v.intr. (polkas, polkaed or polka'd, polkaing) dance the polka.
Phrases and idioms:
polka dot a round dot as one of many forming a regular pattern on a textile fabric etc.
Etymology: F and G f. Czech pulka half-step f. pul half