Wreckage (6)
'wreckage' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for debris that I've seen before include "Rubble, heap of broken pieces" , "Broken remains" , "Refuse, litter" , "Remains - wreckage" , "Fragments of rubbish" .)
'wreckage' is the definition.
(flotsam is a kind of wreckage)
This is all the clue.
(Other definitions for flotsam that I've seen before include "Rubbish on sea" , "Detritus" , "Goods lost" , "Wreck" , "Wreckage found floating" .)