Movie ticket remnant (4)
I believe the answer is:
stub
'movie ticket remnant' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for stub that I've seen before include "evidence of smoking, for example" , "Bust (anag.)" , "seen in the ash-tray" , "Counterfoil of cheque or butt of cigarette" , "Returned part of a ticket" .)