WordNet (r) 3.0 (2006):

rhumba
    n 1: syncopated music in duple time for dancing the rumba [syn:
         rumba, rhumba]
    2: a folk dance in duple time that originated in Cuba with
       Spanish and African elements; features complex footwork and
       violent movement [syn: rumba, rhumba]
    3: a ballroom dance based on the Cuban folk dance [syn: rumba,
       rhumba]
    v 1: dance the rhumba [syn: rhumba, rumba]