Oaten
Part of speech: adjective
Definition: made of, or relating to, oats
Cereal
Part of speech: noun
Definition: A type of grass (such as wheat, rice or oats) cultivated for its edible grains.The grains of such a grass.Breakfast cereal.A particular type of breakfast cereal.
Example sentence: I feel better all day if I start off by eating healthy. Breakfast is simple: multigrain toast with natural peanut butter, oatmeal, yogurt, fruit, or healthy cereal.