Source : Webster's Revised Unabridged Dictionary (1913)

Chicken \Chick"en\, n. [AS. cicen, cyceun, dim. of coc cock;
   akin to LG. kiken, k["u]ken, D. Kieken, kuiken, G.
   k["u]chkein. See {Cock} the animal.]
   1. A young bird or fowl, esp. a young barnyard fowl.

   2. A young person; a child; esp. a young woman; a maiden.
      ``Stella is no chicken.'' --Swift.

   {Chicken cholera}, a contagious disease of fowls; -- so
      called because first studied during the prevalence of a
      cholera epidemic in France. It has no resemblance to true
      cholera.

Source : WordNet®

chicken
     adj : easily frightened [syn: {chickenhearted}, {lily-livered}, {white-livered},
            {yellow}, {yellow-bellied}]

chicken
     n 1: the flesh of a chicken used for food [syn: {poulet}, {volaille}]
     2: a domestic fowl bred for flesh or eggs; believed to have
        been developed from the red jungle fowl [syn: {Gallus
        gallus}]
     3: a person who lacks confidence, is irresolute and wishy-washy
        [syn: {wimp}, {crybaby}]
     4: a foolhardy competition; a dangerous activity that is
        continued until one competitor becomes afraid and stops