A part of a straight line bounded by two points.
A line at the side of something.
A line for hobbling an animal by connecting the fore and the hind feet of the same side.
Something that is additional or extra or that exists around the edges or margins of a main item.
Usually in the plural: the area outside the playing field beyond each sideline.
The outside or perimeter of any activity.
A line defining the side boundary of a playing field. Used in Canadian football, field lacrosse and basketball.
A secondary road, especially a byroad at right angles to a main road.
To remove or keep out of circulation or out of the focus.
To place on the sidelines; to bench or to keep someone out of play.