The Collaborative International Dictionary of English v.0.48:

girandola \gir"an*do`la\, girandole
\gir"an*dole\(j[i^]r"an*d[=o]l; 277), n. [F. See Gyrate.]
   1. An ornate ornamental branched candlestick, often with a
      mirror at the back. [WordNet sense 1]
      [1913 Webster + WordNet 1.5]

   2. A flower stand, fountain, or the like, of branching form.
      [1913 Webster]

   3. (Pyrotechny) A kind of revolving firework.
      [1913 Webster]

   4. (Fort.) A series of chambers in defensive mines. --Farrow.
      Girasole

WordNet (r) 3.0 (2006):

girandola
    n 1: an ornate candle holder; often with a mirror [syn:
         girandole, girandola]