Definitions for chilblains
chilblain, chilblains, pernio(noun)
inflammation of the hands and feet caused by exposure to cold and moisture
inflammation of limb extremities caused by exposure to cold and wet conditions
Though I had desired so much to see London, when I arrived in it I was unfortunately unable to gratify my curiosity; for I had at this time the chilblains to such a degree that I could not stand for several months, and I was obliged to be sent to St. George's Hospital. - "The Interesting Narrative of the Life of Olaudah Equiano" by Olaudah Equiano or Gustavus Vassa
U.S. National Library of Medicine
Recurrent localized itching, swelling and painful erythema on the fingers, toes or ears, produced by exposure to cold. It is also called pernio.