Search Result for "aythya": 
Wordnet 3.0

NOUN (1)

1. canvasback; redhead; pochard; etc.;
[syn: Aythya, genus Aythya]



WordNet (r) 3.0 (2006):

Aythya
    n 1: canvasback; redhead; pochard; etc. [syn: Aythya, genus
         Aythya]