cereal · noun C or U /ˈsɪə.ri.əl/
cereal (BREAKFAST FOOD)
A2 a food that is made from grain and usually eaten with milk, especially in the morning
Dictionary examples:
a bowl of cereal
breakfast cereals
Learner example:
Usually, we have a good breakfast with toast, cereals, milk and juice, but it depends [on] each person. (Skills for Life (Entry 2); A2; Portuguese)
cereal (PLANT)
C1 a plant that is grown to produce grain for food
Dictionary example:
cereal crops
Learner example:
During this part you can see cereal crops, mainly wheat. (Certificate in Advanced English; C1; Spanish)