Source : Webster's Revised Unabridged Dictionary (1913)

Chat \Chat\, n.
   1. Light, familiar talk; conversation; gossip.

            Snuff, or fan, supply each pause of chat, With
            singing, laughing, ogling, and all that. --Pope.

   2. (Zo["o]l.) A bird of the genus {Icteria}, allied to the
      warblers, in America. The best known species are the
      yellow-breasted chat ({I. viridis}), and the long-tailed
      chat ({I. longicauda}). In Europe the name is given to
      several birds of the family {Saxicolid[ae]}, as the
      {stonechat}, and {whinchat}.

   {Bush chat}. (Zo["o]l.) See under {Bush}.