Real Dictionary

cake
countable noun: Food that is formed into flat round shapes before it is cooked can be referred to as cakes.
variable noun: A cake is a sweet food made by baking a mixture of flour, eggs, sugar, and fat in an oven. Cakes may be large and cut into slices or small and intended for one person only.

cake in American English
a small, flat mass of dough or batter, or of some hashed food, that is baked or fried
to form into a hard mass or a crust; solidify or encrust
noun: a sweet, baked, breadlike food, made with or without shortening, and usually containing flour, sugar, baking powder or soda, eggs, and liquid flavoring

cake in British English
noun: a baked food, usually in loaf or layer form, typically made from a mixture of flour, sugar, and eggs
verb: to cover with a hard layer; encrust

cake in Chemical Engineering
Cake or a cake is the solid or semisolid substance that remains in a filter.