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 ]

[ So called from Riga, a city in Russia. ] (Bot.) A species of pine (Pinus sylvestris), and its wood, which affords a valuable timber; -- called also Scotch pine, and red deal or yellow deal. It grows in all parts of Europe, in the Caucasus, and in Siberia. [ 1913 Webster ]

n. [ L. rigatio, fr. rigare to water. ] See Irrigation. [ Obs. ] [ 1913 Webster ]