Definition of: pointer

(poin′tər) noun
1. One who or that which points.
2. A hand or index finger, as on a clock or scale.
3. A long tapering rod used in class rooms to point out things on wall maps, charts, diagrams, etc.
4. One of a breed of dogs trained to scent and point out game.
5. A useful bit of information; hint.
6. Nav. One whose business is to bring the gun or turret to its proper elevation. Compare TRAINER.
7. The cowboy who rides at the head of the herd in a cattle drive.