[1] : The Collaborative International Dictionary of English v.0.48

penguin \pen"guin\ pe^n"gwi^n, n. perh. orig. the name of
   another bird, and fr. w. pen head + gwyn white; or perh. from
   a native south american name.
   1. zool. any bird of the order impennes, or ptilopteri.
      they are covered with short, thick feathers, almost
      scalelike on the wings, which are without true quills.
      they are unable to fly, but use their wings to aid in
      diving, in which they are very expert. see king penguin,
      under jackass.
      1913 webster

   note: penguins are found in the south temperate and antarctic
         regions. the king penguins aptenodytes patachonica,
         and aptenodytes longirostris are the largest; the
         jackass penguins spheniscus and the rock hoppers
         catarractes congregate in large numbers at their
         breeding grounds.
         1913 webster

   2. bot. the egg-shaped fleshy fruit of a west indian plant
      bromelia pinguin of the pineapple family; also, the
      plant itself, which has rigid, pointed, and spiny-toothed
      leaves, and is used for hedges. written also pinguin.
      1913 webster

   arctic penguin zool., the great auk. see auk.
      1913 webster
see also:
impennes ptilopteri king penguin jackass aptenodytes patachonica aptenodytes longirostris 
spheniscus catarractes bromelia pinguin pinguin arctic penguin 
auk 

Arctic >> A Words
Arctic, definition of term: Arctic
arctic_pag1.html

Penguin >> P Words
Penguin, definition of term: Penguin
penguin_pag1.html

Arctic Willow >> A Words
Arctic Willow, definition of term: Arctic Willow
arctic+willow_pag1.html

Arctic Ocean >> A Words
Arctic Ocean, definition of term: Arctic Ocean
arctic+ocean_pag1.html

Arctic Hare >> A Words
Arctic Hare, definition of term: Arctic Hare
arctic+hare_pag1.html

Arctic Circle >> A Words
Arctic Circle, definition of term: Arctic Circle
arctic+circle_pag1.html

Arctic Char >> A Words
Arctic Char, definition of term: Arctic Char
arctic+char_pag1.html

Emperor Penguin >> E Words
Emperor Penguin, definition of term: Emperor Penguin
emperor+penguin_pag1.html

King Penguin >> K Words
King Penguin, definition of term: King Penguin
king+penguin_pag1.html