The term 'Topped with Frosting' can be summarized by the crossword solution 'ICED, ' which is a four-letter word. Icing is a type of sweet, creamy topping that is often used to decorate cakes, cupcakes, and other desserts. It is usually made from sugar, butter, and milk or cream, and can be flavored with extracts, spices, or liqueurs. Icing is usually spread over the top of a cake or other dessert, and can also be used to fill in between layers.