Driver meaning : One who drives something, in any sense of the verb to drive. Something that drives something, in any sense of the verb to drive. A person who drives a motorized vehicle such as a car or a bus. A person who drives some other vehicle. A program that acts as an interface between an application and hardware, written specifically for the device it controls. A golf club used to drive the ball a great distance. A kind of sail, smaller than a fore and aft spanker on a square-rigged ship, a driver is tied to the same spars. A mallet. A tamping iron. A cooper's hammer for driving on barrel hoops. A screwdriver.