Source : Webster's Revised Unabridged Dictionary (1913)

Anhinga \An*hin"ga\, n. [Pg.] (Zo["o]l.)
   An aquatic bird of the southern United States ({Platus
   anhinga}); the darter, or snakebird.

Source : WordNet®

anhinga
     n : fish-eating bird of warm inland waters having a long
         flexible neck and slender sharp-pointed bill [syn: {snakebird},
          {darter}]