Try cricket equipment that’s been returned (4)
I believe the answer is:
stab
'try' is the definition.
(I know that stab is a type of try)
'cricket equipment that's been returned' is the wordplay.
'cricket equipment' becomes 'bats' (cricket bats).
'that's been returned' shows that the letters should be reversed in order (I've seen 'is returned' mean this).
'bats' backwards is 'STAB'.
(Other definitions for stab that I've seen before include "Strike with knife" , "Wound with blade" , "Run through - essay" , "effort" , "Pierce with something pointed" .)