Source : Webster's Revised Unabridged Dictionary (1913)

Curassow \Cu*ras"sow\ (k?-r?s"s?), n. [Native name in Brazil.]
   (Zool.)
   A large gallinaceous bird of the American genera {Crax},
   {Ourax}, etc., of the family {Cracid[ae]}.

   Note: The crested curassow ({Crax alector}) is black, and
         about the size of a small hen-turkey, with an erectile
         crest of curled feathers. It ranges from Mexico to
         Brazil. The galeated curassow or cushew bird ({Ourax
         Pauxi}) is similar in size, and has a large, hollow,
         blue, pear-shaped protuberance on the head.