The Collaborative International Dictionary of English v.0.48:

flamenco \flamenco\ n.
   1. a strongly rhythmic and vigorous style of dancing
      characteristic of the Andalusian gypsies, characterized by
      clapping and stamping of feet.

   Syn: gypsy dancing.
        [WordNet 1.5]

   2. (Mus.) a strongly rhythmic style of music originating in
      southern Spain, often improvisatorial, performed by
      itself, often on a guitar, or as an accompaniment to
      flamenco dancing.
      [PJC]

WordNet (r) 3.0 (2006):

flamenco
    n 1: guitar music composed for dancing the flamenco
    2: a style of dancing characteristic of the Andalusian Gypsies;
       vigorous and rhythmic with clapping and stamping of feet
       [syn: flamenco, gypsy dancing]