The Collaborative International Dictionary
Up-line
Up-line \Up"-line`\, n. (Railroad) A line or track leading from the provinces toward the metropolis or a principal terminus; the track upon which up-trains run. See Up-train. [Eng.]
Wiktionary
up-line
a. Describing a higher level in a hierarchical management structure n. (alternative spelling of up line English)
Usage examples of "up-line".
And all old signallers knew that if the connecting rod operating the shutters on the down-line was pushed up to open them on the same blink as the connecting rod on the up-line was pulled down to close the shutters on the other side of the tower, the tower lurched.
We’ll configure the towers to run duplex - that is,’ he translated for management, ‘we’ll turn the down-line into a second up-line, so the message will get to Genua twice as fast.