headwarmer

noun
UK /ˈhɛdˌwɔːmə/
US /ˈhɛdˌwɔrmər/

A warm hat that you wear on your head.

She put on a woolly headwarmer before going out into the snow.


OTHER MEANINGS

2. A heated pad or cover used to keep the head warm during cold weather or treatment.

The nurse placed a headwarmer over his scalp after the treatment.

3. A close-fitting band worn around the forehead to keep hair back and ears warm.

He wore a fleece headwarmer while running in the winter.

4. Informal term for a person or thing that provides comfort or warmth to the head.

Her grandmother knitted a headwarmer for every child in the family.