from Wiktionary, Creative Commons Attribution/Share-Alike License.
perpendicularto the directionof flightor transmission
Sorry, no etymologies found.
If you want more crossrange, then add small wings and get something like Cliper or the Boeing design in the graphic for this article.
This is a direct result of using the "Navajo stack" arrangement, which was necessitated by having a vehicle that hauled both crew and cargo, plus having that 1000 mile crossrange capability (dictated by USAF, when they were paying part of the costs)!