(n): the outermost or farthest region or point
(n): a line determining the limits of an area
(n): a length (straight or curved) without breadth or thickness; the trace of a moving point
(n): the greatest possible degree of something
(n): the distance or area or volume over which something extends
Cricket jargon - 1. the edge of the playing field; 2. a score of four or six runs, both of which are achieved by the ball reaching or surpassing the boundary.