What is Cake ?
Cake is (noun) 1. food made by mixing flour, eggs and sugar, and baking it a piece of cherry cake She had six candles on her birthday cake. Have another slice of Christmas cake. Would you like some chocolate cake? it’s a piece of cake it’s very easy (slang) The exam was a piece of cake – I finished it in half-an-hour! you can’t have your cake and eat it you can’t benefit from two opposing things 2. a small piece of something a cake of soap 3. food made by mixing ingredients together into small round pieces which are then fried A meal of fishcakes and chips.(verb) to dry and form a hard crust on something
source: Easier English, Student Dictionary Upper Intermediate Level