frost·ing 
/ˈfrɑ:stɪŋ/ noun
plural frost·ings /ˈfrɑ:stɪŋ/ noun [count] 1 chiefly US : a sweet, creamy mixture that is used to cover cakes
▪ We put frosting on the cupcakes. —called also icing 2 : a dull surface on metal or glass
▪ We put frosting on the cupcakes. —called also icing
