The Collaborative International Dictionary of English v.0.48:

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.
      [1913 Webster]

   2. A young person; a child; esp. a young woman; a maiden;
      same as spring chicken. "Stella is no chicken." --Swift.
      [1913 Webster]

   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.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cholera \Chol"er*a\, n. [L., a bilious disease. See Choler.]
   (Med.)
   One of several diseases affecting the digestive and
   intestinal tract and more or less dangerous to life, esp. the
   one commonly called Asiatic cholera.
   [1913 Webster]

   Asiatic cholera, a malignant and rapidly fatal disease,
      originating in Asia and frequently epidemic in the more
      filthy sections of other lands, to which the germ or
      specific poison may have been carried. It is characterized
      by diarrhea, rice-water evacuations, vomiting, cramps,
      pinched expression, and lividity, rapidly passing into a
      state of collapse, followed by death, or by a stage of
      reaction of fever.

   Cholera bacillus. See Comma bacillus.

   Cholera infantum, a dangerous summer disease, of infants,
      caused by hot weather, bad air, or poor milk, and
      especially fatal in large cities.

   Cholera morbus, a disease characterized by vomiting and
      purging, with gripings and cramps, usually caused by
      imprudence in diet or by gastrointestinal disturbance.

   Chicken cholera. See under Chicken.

   Hog cholera. See under Hog.

   Sporadic cholera, a disease somewhat resembling the Asiatic
      cholera, but originating where it occurs, and rarely
      becoming epidemic.
      [1913 Webster]