driver.

One who drives something.

One who drives something. A person who drives a motorized vehicle such as a car, truck, bus, train, forklift, etc.

The driver will make an announcement when the trip is nearing its completion.

Tipping your driver is optional but is much appreciated.

One who drives something. A pilot (person who flies aircraft).

One who drives something. A person who drives livestock: a drover.

Something that drives something else.

Something that drives something else. A device driver; a program that acts as an interface between an application and hardware, written specifically for the device it controls.

Something that drives something else. A golf club used to drive the ball a great distance.

Something that drives something else. A kind of sail, smaller than a fore and aft spanker on a square-rigged ship, a driver is tied to the same spars.

Something that drives something else. A factor contributing to something; a cause.

Something that drives something else. Any driving element in any mechanism, which drives the driven element.

The driver engages the follower intermittently, as dictated by the solenoid.

Something that drives something else. A mallet.

Something that drives something else. A tamping iron.

Something that drives something else. A cooper's hammer for driving on barrel hoops.

Something that drives something else. A screwdriver, a nutdriver, or a bit for such a tool; such bits include nutsetters.

Something that drives something else. A device that converts an electrical signal to sound waves; the principal component of loudspeakers and headphones.

Something that drives something else. A driving wheel of a locomotive.

The later iterations of these locomotives had 56-inch drivers.