Roadwork substance (3)
I believe the answer is:
tar
(Other definitions for tar that I've seen before include "Sailor (colloq.)" , "Thick, black and sticky liquid" , "Mariner, old salt" , "It may cover the road" , "Black coat" .)
I believe the answer is:
tar
(Other definitions for tar that I've seen before include "Sailor (colloq.)" , "Thick, black and sticky liquid" , "Mariner, old salt" , "It may cover the road" , "Black coat" .)