| Impact |
When the club strikes the ball. |
| In |
The last nine holes of an 18 hole course. |
| In play |
When the ball is within the playing area of the course. |
| Inactive Season |
That part of the golfing calendar where a player cannot use his scores to adjust his handicap. |
| Interlocking Grip |
To hold the club such that the little finger of one hands is wrapped around the fore-finger of the other. |
| Investment Cast |
To cast metal club heads from wax moulds. |
| Inward Half |
The last nine holes of an 18 hole course. |
| Iron |
A metal headed club that is not a wood. |
