The term 'Chilly Coating' can be summarized as a type of FROST, which is a thin layer of ice that forms on surfaces when temperatures drop below freezing. FROST is typically seen on windows, plants, and other objects exposed to cold temperatures. Chilly Coating is a type of FROST that is often used in food preparation, such as for making ice cream or other frozen desserts. It is also used to coat the outside of food items, such as cakes and pies, to give them a cold and icy appearance.