Wiktionary
a. Directed or moving up or in a direction conventionally considered up; upstream adv. Up or in a direction conventionally considered up; upstream
WordNet
adj. heading in any direction that is conventionally up; "upbound shipping lanes"
Usage examples of "upbound".
Shamesey flour and beans and canned goods had undoubtedly been the upbound load, a before-winter shipment of supplies or equipment, on which Tarmin had elected to defray cost by shipping lumber down to Anveney and Shamesey.
General Secretary agreed to have the empty upbound shuttles loaded with readily available explosives.
Some less than that coming back since a lot of the upbound is spent climbing.
Longarm was surprised to see that these were the same two ladies--he used the term as a matter of politeness, not description--who had ridden with him from Bitter Creek on the upbound journey just the day before.
Jen had fitted it with a gadget that moved the detector rapidly upward at the moment of closest approach of an upbound carrier, to increase the length of time available for getting a measurement of radioactivity.
You got to get to Meade Park, and you got to do that before the afternoon upbound heads into the canyon.
It takes its run, leaps, hits the earth a yard before the prey, and then, with its full ferocity and strength, on the upbound, strikes it, biting and tearing.
Nothing but a curious upbounding of her heart within her as the thought of her companions crossed her mind, seemed left of the original blithesome Anne.