Turf dug out by a golf club (5)
I believe the answer is:
divot
(Other definitions for divot that I've seen before include "Piece of turf dug out by a golf club" , "Piece of turf dislodged by golf club" , "Loose piece of turf" , "Golfer's dislodged turf" , "Small piece of turf cut out" .)