oatmealPronunciation: /ˈəʊtmiːl/Translate oatmeal | into French | into German | into Italian | into Spanish Definition of oatmeal noun [mass noun] 1meal made from ground oats, used in porridge, oatcakes, or other food: medium Scottish oatmeal [as modifier]:oatmeal porridge North American porridge made from oatmeal or rolled oats. 2a greyish-fawn colour flecked with brown: [as modifier]:an oatmeal jacketOrigin: late Middle English: from oat and meal2oatmeal in other Oxford dictionaries Definition of oatmeal in the US English dictionary