The Collaborative International Dictionary of English v.0.48:

Rigadoon \Rig`a*doon"\, n. [F. rigadon, rigaudon.]
   A gay, lively dance for one couple, -- said to have been
   borrowed from Provence in France. --W. Irving.
   [1913 Webster]

         Whose dancing dogs in rigadoons excel.   --Wolcott.
   [1913 Webster]