The crossword solution for the term 'Bar of Soap' is CAKE. A bar of soap is a solid block of soap that is used for cleaning and personal hygiene. It is usually made from fats and oils combined with an alkali such as sodium hydroxide. The shape of the bar can vary, but it is typically rectangular or cylindrical. The term 'CAKE' is often used to refer to a bar of soap, as it is similar in shape and size to a CAKE.