cereal
n. C / Un. a food made from grain that you usually eat for breakfast with milk. It can also mean the plants, like wheat or corn, that produce these grains.
n. a foodstuff prepared from the edible grains of cultivated grasses; also refers to the grasses themselves, such as wheat, oats, or corn.
I usually eat a bowl of cereal before I go to work.
The supermarket aisle is filled with dozens of different types of breakfast cereal, from sugary flakes to healthy bran.
While many people associate the term with processed breakfast foods, cereals remain the primary source of caloric intake for the global population through crops like rice and wheat.
Borrowed from French céréale (“having to do with cereal”), from Latin Cerealis (“of or relating to Ceres”), from Ceres (“Roman goddess of agriculture”), from Proto-Indo-European *ḱer- (“grow”), from which also Latin sincerus (English sincere) and Latin crēscō (“grow”) (English crescent).
Uncountable when referring to the food category or grain in bulk; countable when referring to specific types or individual servings.