Frosting
/ˈfɹɒst.ɪŋ/
verb
To cover with frost.
To become covered with frost.
To coat (something, e.g. a cake) with icing to resemble frost.
noun
A sugary coating for cakes and other baked goods.
A layer of frost.
The theft of a car while it is left unattended, especially when its engine is left running in the winter to defrost the car.
Synonyms: icing