Толковый словарь английского языка - driver

noun Date: 14th century one that drives: as, coachman, the operator of a motor vehicle, an implement (as a hammer) for driving, a mechanical piece for imparting motion to another piece, one that provides impulse or motivation , a golf wood with a nearly straight face used in driving, an electronic circuit that supplies input to another electronic circuit, a piece of computer software that controls input and output operations, ~less adjective