Definitions

1. noun

a sweet topping, typically made of sugar and butter, placed on top of a cake or other baked dessert

“She decorated the cake with a generous amount of icing.”

2. verb

to add a sweet topping to a baked dessert

“He iced the cake just before serving.”

3. verb

to cover or coat something with a layer of icing

“The chef iced the cake with a smooth, even layer.”