(January 2010) Rolled oats, a type of oatmeal Oatmeal is ground oat groats (i.e., oat- meal , cf. cornmeal , peasemeal , etc.), or a porridge made from oats (also called oatmeal cereal or stirabout, in Ireland). Oatmeal can also be ground oat , steel-cut oats , crushed oats, o... mehr