driver
//ˈdraɪvər//
Noun
driverSingular
driversPlural
1
A person who operates or controls a vehicle, especially a car, truck, or bus.
The bus driver stopped to let passengers get on.
2
A golf club with a large head used for hitting long shots from the tee.
He hit the ball 250 yards with his driver.
3
A software component that controls or communicates with a hardware device.
You need to install the printer driver before you can use the printer.
4
A person or thing that drives or propels something forward.
Innovation is the main driver of economic growth.