1. 
[syn: green, putting green, putting surface]
The Collaborative International Dictionary of English v.0.48:
Putting green \Putt"ing green\ (Golf)
   The green, or plot of smooth turf, surrounding a hole. "The
   term putting green shall mean the ground within twenty yards
   of the hole, excepting hazards." --Golf Rules.
   [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):
putting green
    n 1: an area of closely cropped grass surrounding the hole on a
         golf course; "the ball rolled across the green and into the
         bunker" [syn: green, putting green, putting surface]