Frosting (noun)

A sweet, creamy mixture used to coat or decorate cakes, cookies, and pastries.

Origin:

From the word "frost" meaning a covering of ice crystals on a surface.

Examples:

1. The cake was decorated with chocolate frosting.
2. She spread the frosting on the cupcakes.
3. The cookies were topped with a vanilla frosting.
4. He made a batch of homemade frosting for the cake.
5. The frosting was made with powdered sugar and butter.