Winter blanket is a type of blanket that is used to keep warm during the winter season. The two crossword solutions for this term are SNOW (4 letters) and FROST (5 letters). SNOW is a type of precipitation in the form of crystalline water ice, which usually appears in the form of white flakes or crystals. FROST is a thin layer of ice that forms on surfaces when the air temperature is below freezing. Both SNOW and FROST are common occurrences during the winter season, making a winter blanket an essential item for staying warm.