Crazy to discard small piece of fruit (6)
I believe the answer is:
banana
'fruit' is the definition.
(type of fruit)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for banana that I've seen before include "Curved fruit (in a split dessert?)" , "One out of hand" , "Fruit that comes in a bunch" , "Fruit item" , "Fruit with soft, sweet flesh" .)