Source : Webster's Revised Unabridged Dictionary (1913)

Chilblain \Chil"blain`\, n. [Chill + Blain.]
   A blain, sore, or inflammatory swelling, produced by exposure
   of the feet or hands to cold, and attended by itching, pain,
   and sometimes ulceration.

Chilblain \Chil"blain`\, v. t.
   To produce chilblains upon.

Source : WordNet®

chilblain
     n : inflammation of the hands and feet caused by exposure to
         cold and moisture [syn: {chilblains}, {pernio}]