Chilblain
/ˈtʃɪlbleɪn/
Definition 1 of 1
Pro Tip 1/3Weather Specific
Chilblain is used in the context of cold weather and is not relevant in warm climates. 
He never experienced a chilblain until his winter trip to Canada.
Pro Tip 2/3Body Parts Affected
Chilblains commonly affect extremities where blood circulation is less efficient, like toes and fingers. 
She got a chilblain on her little toe after walking in the cold.
Pro Tip 3/3Not a Disease
A chilblain is a temporary skin condition, not a long-term disease or internal health issue. 
The doctor told him the chilblain would heal on its own with proper warmth and care.