Slicer that's chopped up remains (6)
I believe the answer is:
relics
'remains' is the definition.
(thesaurus)
'slicer that's chopped up' is the wordplay.
'that's chopped up' is an anagram indicator.
'slicer' is an anagram of 'RELICS'.
(Other definitions for relics that I've seen before include "Surviving traces or holy pieces" , "Venerated pieces of saints" , "Objects surviving from an earlier time" , "Parts of holy person's body or belongings" , "Items surviving from an earlier time" .)