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