A line pertaining or attached to the side of a thing.
Specif., a line for hobbling an animal by connecting the fore and the hind feet of the same side.
A line of goods sold in addition to one's principal articles of trade; a course of business pursued aside from one's regular occupation.
One of the two white lines marking the side edges of the table.
A white line along each side of the playing surface.
The side boundary lines of the playing court.