Food grain (3)
'food grain' is the definition.
(oat is a kind of food grain)
This is the entire clue.
(Other definitions for oat that I've seen before include "Food grain" , "Basis of porridge" , "Cereal (singular)" , "Cereal grass" , "Cereal plant" .)
'food grain' is the definition.
(I know that rice is a type of food grain)
This is the entire clue.
(Other definitions for rice that I've seen before include "Type of grain" , "... his librettist - cereal" , "Edible grains of grass" , "Paddy field crop" , "Seeds from the paddy field" .)
(Other definitions for oats that I've seen before include "Cereal food for horses" , "Porridge mix" , "Seed grasses" , "Porridge ingredients" , "Basis of porridge" .)