Longman Dictionary of Contemporary English
Wiktionary
a. Taking place across a border. adv. Across a border. alt. Taking place across a border.
Usage examples of "cross-border".
They've taken over Macedonia, they are staging massive resupply missions and setting up huge hardware and ammunition depots in Bulgaria and Serbia, and they're conducting cross-border raids into Albania that look suspiciously like another invasion operation-the Germans are virtually stepping aside, letting them cruise anywhere in the Balkans.
A caricature of the bullet-shaped head had been the leading graphic for yesterday's online edition of the Wall Street journal: Camden had led a major coup in cross-border data-atoll investment.
The twelve-man team he now commanded had served with him in Afghanistan, running long-range insertions into mujahedin-held territory--specializing in assassinations of the rebels command structure and cross-border operations into Pakistan against commanders of the mujahedin base camps and staging areas.
Thanks to relaxed cross-border inspections in Europe and the dazed preoccupations of America's ninja tobacco inspectors, these Yankee gun-runners had boldly brought Raf an up-to-date and very lethal arsenal of NATO's remaindered best.