ballroom

from WordNet (r) 3.0 (2006)

ballroom
    n 1: large room used mainly for dancing [syn: {ballroom}, {dance
         hall}, {dance palace}]

from The Collaborative International Dictionary of English v.0.48

Ballroom \Ball"room`\, n.
   A room for balls or dancing.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "ballroom":
      amusement park, cabaret, cafe chantant, cafe dansant, casino,
      chamber, chambre, dance floor, dance hall, dancery,
      dancing pavilion, entertainment industry, fun-fair, grand ballroom,
      juke joint, night spot, nightclub, nitery, resort, roadhouse, room,
      rotunda, salle, show biz, show business, tavern, theater