DRIVER

[driv.er] n (14c): one that drives: as a: coachman b: the operator of a motor vehicle c: an implement (as a hammer) for driving d: a mechanical piece for imparting motion to another piece e: a golf wood with a nearly straight face used in driving f: an electronic circuit that supplies input to another electronic circuit; also: loudspeaker g: a piece of computer software that controls input and output operations -- driv.er.less adj