Meaning of “cereal” - Learner’s Dictionary

cereal

noun [ C, U ] uk us /ˈsɪəriəl/
PLANT

a plant that is grown to produce grain for food:

cereal crops
FOOD

A2 a food that is made from grain and eaten with milk, especially in the morning:

breakfast cereals

(Definition of “cereal” from the Cambridge Learner’s Dictionary © Cambridge University Press)