Chimney cleaners (6)
I believe the answer is:
sweeps
'chimney cleaners' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sweeps that I've seen before include "They clean chimneys with brushes" , "Cleans with a broom" , "Old blackguards" , "Cleans the floor with a brush" , "Moves in an arc" .)