1. One that drives, as the operator of a motor vehicle.

2. A tool, such as a screwdriver or hammer, that is used for imparting forceful pressure on another object.

3. A machine part that transmits motion or power to another part.

4. A piece of software that enables a computer to communicate with a specific hardware device. Also called device driver.

5. A golf club with a wide head and a long shaft, used for making long shots from the tee.

6. Nautical A jib-headed spanker.