Talk about Indian vegetable (3)
I believe the answer is:
sag
'indian vegetable' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.
'talk about' is the wordplay.
'talk' becomes 'gas' (gas can mean to chat).
'about' says the letters should be written backwards.
'gas' written backwards gives 'SAG'.
Can you help me to learn more?
(Other definitions for sag that I've seen before include "Spinach as used in Indian cookery" , "Hang down loosely" , "Sinking" , "Subsidence" , "Drop" .)