A biscuit 's a kind of small, flat-baked bread product that, if leavened,'s usually made with a chemical leavener such as baking powder.. The exact meaning varies markedly in different parts of the world. The origin of the word "biscuit"'s from Latin via Middle French and means "cooked twice," hence biscotti in Medieval Italian (similar to the German Zwieback, and still present in Dutch "beschuit"). In modern Italian usage the term biscotto's used to refer to any type of cookie, but not a savor… (More on Biscuits)