means To transfer data, files, or content from a local device to a remote server or network.

from A 20th-century compound built from "up" plus "load," coined as computing took hold. The directional logic borrows from the older world of cargo and ships, where to "load up" meant to pile goods aboard — except here the "up" points toward the distant, looming machine rather than the wagon. Its mirror twin "download" arrived in the same era, and the pair have been quietly arguing over which direction is which ever since.