cereal noun definition in Carbohydrates topic from the Oxford Advanced Learner's Dictionary

cereal

 noun: Carbohydrates topic
1 [countable] one of various types of grass that produce grains that can be eaten or are used to make flour or bread. Wheat, barley and rye are all cereals. cereal crops2 [uncountable] the grain produced by cereal crops3 [countable, uncountable] food made from the grain of cereals, often eaten for breakfast with milk breakfast cereals a bowl of cereal