1) Item in a bowl 2) Kellogg morsel 
(from the article `cereal processing`) Wheat and rice flakes are manufactured, but most flaked breakfast foods are made from corn (maize), usually of the yellow type, broken down into ... ...is perhaps most familiar in the form of coarsely ground grits, boiled and served with butter, gravy, or syrup for breakfast or shaped into cakes .....
Cornflake is American slang for an eccentric, crazy or silly person.