Fairway shout (4)
I believe the answer is:
fore
'fairway shout' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for fore that I've seen before include "Word of warning to golfers" , "At the bow" , "Not aft" , "Golfer's warning shout" , "Golfer's shouted warning" .)