Cigar end (4)
I believe the answer is:
butt
'cigar end' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for butt that I've seen before include "ram > end" , "rear" , "at 16 down [MAN UNITED]" , "Scapegoat - strike - bottom - barrel" , "Push with the head" .)