Pirate's booty (4)
I believe the answer is:
loot
'pirate's booty' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for loot that I've seen before include "Stolen goods" , "Orton play; money" , "Steal goods as spoils" , "Orton play; ill-gotten gains" , "rifle" .)