The Collaborative International Dictionary of English v.0.48:

Anhima \An"hi*ma\, n. [Brazilian name.]
   A South American aquatic bird; the horned screamer or kamichi
   (Palamedea cornuta). See Kamichi.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Anhima
    n 1: type genus of the Anhimidae; horned screamers [syn:
         Anhima, genus Anhima]