Meaning of “driver” - Learner’s Dictionary

driver

noun [ C ] us uk /ˈdraɪvər/
Extra Examples
a safe drivera taxi driverThe driver of the car was killed in the crash.He signalled the driver to stop.It's a myth that men are better drivers than women.
VEHICLE

A1 someone who drives a vehicle:

a bus/train driver
→ See also engine driver
COMPUTER

a computer program that makes it possible for a computer to use other pieces of equipment such as a printer:

a printer driver

(Definition of “driver” from the Cambridge Learner’s Dictionary © Cambridge University Press)