Food grain (3)
'food grain' is the definition.
(synonyms)
This is all the clue.
(Other definitions for cereal that I've seen before include "11 food, maybe" , "Contents of breakfast bowl" , "Eg, wheat, rye, corn" , "Eg, 5 Ac" , "Common part of breakfast" .)
'food grain' is the definition.
(oat is a kind of food grain)
This is all the clue.
(Other definitions for oat that I've seen before include "Cereal (singular)" , "Food grain" , "Cereal plant" , "Basis of porridge" , "Cereal grass" .)
'food grain' is the definition.
(rice is a kind of food grain)
This is all the clue.
(Other definitions for rice that I've seen before include "Seeds from the paddy field" , "Cereal grain" , "Type of grain" , "... his librettist - cereal" , "Basmati, for example" .)
'food grain' is the definition.
(I know that oats is a type of cereal)
This is all the clue.
(Other definitions for oats that I've seen before include "A cereal crop" , "Food for horses and Scots (said Dr Johnson)" , "Edible grass seeds" , "Grains used as food and fodder" , "Seed grasses" .)