Divot (3)
I believe the answer is:
sod
'divot' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for sod that I've seen before include "'Sward, turf (3)'" , "Piece of turf; a Law named for him" , "A lulmp of turf" , "Piece of grassy soil" , "Piece of peat or grass" .)