society > travel > means of travel > route or way > way, path, or track > track, trail, or path > [noun] > line of former or prehistoric (4)
the line of a (former) track or path: see quot. 1889.
The supposed line of a prehistoric track in a straight line usually from hilltop to hilltop with identifying points such as ponds, mounds, etc…
Also ley line; henceley-liner n. a believer in ley lines.