aythya americana

2 definitions found

aythya americana - Collaborative International Dictionary of English v.0.48 :

  Redhead \Red"head`\ (-h?d`), n.
     1. A person having red hair.
        [1913 Webster]
  
     2. (Zool.)
        (a) An American duck (Aythya Americana) highly esteemed
            as a game bird. It is closely allied to the
            canvasback, but is smaller and its head brighter red.
            Called also red-headed duck. American poachard,
            grayback, and fall duck. See Illust. under
            Poachard.
        (b) The red-headed woodpecker. See Woodpecker.
            [1913 Webster]
  
     3. (Bot.) A kind of milkweed (Asclepias Curassavica) with
        red flowers. It is used in medicine.
        [1913 Webster]

aythya americana - WordNet (r) 2.1 (2005) :

  Aythya americana
      n 1: North American diving duck with a grey-and-black body and
           reddish-brown head [syn: redhead, Aythya americana]