chilblainPronunciation: /ˈtʃɪlbleɪn/Translate chilblain | into French | into German | into Italian | into Spanish Definition of chilblain noun a painful, itching swelling on a hand or foot, caused by poor circulation in the skin when exposed to cold. Derivatives chilblained adjective Origin: mid 16th century: from chill + blainchilblain in other Oxford dictionaries Definition of chilblain in the US English dictionary