ASL STEM

Definition

computing a computer program that controls a device 1. device driver. 2. The main loop of an event-processing program; the code that gets commands and dispatches them for execution. 3. In the TeX world and the computerised typesetting world in general, a program that translates some device-independent or other common format to something a real device can actually understand.

Source: http://dictionary.reference.com/browse/driver?s=t