Source : Webster's Revised Unabridged Dictionary (1913)

Frostbite \Frost`bite"\, v. t.
   To expose to the effect of frost, or a frosty air; to blight
   or nip with frost.

         My wife up and with Mrs. Pen to walk in the fields to
         frostbite themselves.                    --Pepys.

Frostbite \Frost"bite\, n.
   The freezing, or effect of a freezing, of some part of the
   body, as the ears or nose. --Kane.

Source : WordNet®

frostbite
     n : destruction of tissue by freezing and characterized by
         tingling, blistering and possibly gangrene [syn: {cryopathy}]