upriver

adv : toward the source or against the current [syn: {upstream}]

[ant: {downriver}, {downriver}]

driver

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.

[{Jargon File}]