driver
US /ˈdraɪ.vɚ/
UK /ˈdraɪ.vɚ/

1.
2.
a club with a large head and a long shaft, used for hitting the ball from the tee
:
•
He used his driver to hit the ball far down the fairway.
•
A good driver is essential for long shots in golf.
3.
a program that controls a device connected to a computer
:
•
You need to install the printer driver before you can print.
•
My graphics card needs an updated driver.