Food grain (4)
'food grain' is the definition.
(I know that rice is a type of food grain)
This is all the clue.
(Other definitions for rice that I've seen before include "Asian staple food" , "... his librettist - cereal" , "Curry side dish" , "Basmati, for example" , "Seeds from the paddy field" .)
'food grain' is the definition.
(I know that oats is a cereal)
This is the entire clue.
(Other definitions for oats that I've seen before include "A cereal crop" , "Food crop" , "Sow wild ones in disreputable youth" , "Grain for porridge" , "Cereal for porridge" .)