Entremet is a French word that refers to a type of dessert that is served between meals. It is often made with layers of sponge cake, mousse, and fruit, and is sometimes topped with ganache or glaze. There are several synonyms for entremet, including gateau, torte, and petit four. A gateau is a type of cake that is typically round and has multiple layers of filling or frosting. A torte is a type of cake that is made with ground nuts instead of flour and is usually denser than other cakes. A petit four is a small, bite-sized dessert that is often served as part of a larger spread of sweets.