grass used on the green and mowing patterns, grain can significantly influence the speed and movement of a putt. Grand slam Winning all the golf's major championships in the same calendar year. Before The Masters was founded, the national amateur championships of the U.S and the UK were considered majors along with the two national opens and only Bobby Jones has ever completed a grand slam with these. A "Career Grand Slam" is having won each of the majors at least once, not necessarily in the same year. Green The area of specially prepared grass around the hole, where putts are played. Green fee The charge made for a round of golf by the course management. Greensomes Is a variation of foursomes, where each side consists of 2 players. Both players play one tee-shot each from every tee. A choice is then made as to which is the more favorable of the 2 ball positions, the other ball being picked up. Thereafter the players play alternate shots. So if A's tee-shot is selected, the playing order from the tee will be A-B-A-B etc. until the ball is holed out. If player B's tee-shot is selected, the playing order will be B-A-B-A etc. The team with the lowest score wins the hole. Green in regulation (GIR) A green is considered hit "in regulation" if any part of the ball is touching the putting surface while the number of strokes taken is at least two fewer than par (i.e., by the first stroke on a par 3, the second stroke on a par 4, or the third stroke on a par 5). Greens in regulation percentage is one of many statistics kept by the PGA Tour. Gross score The total number of strokes taken for a hole (or round) before accounting for a golfer's handicap. Grounding the club To place the club-face behind the ball on the ground at address. Grounding the club is prohibited in bunkers or when playing from any marked hazard. Ground under repair (GUR) An area of the golf course that is being repaired. A free drop is allowed if the ball lands in an area marked "GUR". Groove (i) The crevices on the face of a club that are designed to impart spin on the ball. (ii) A well practiced swing that is easily repeatable by the golfer is often described as "well grooved". H Hacker (i)