boundary

Meanings

1. 1
   noun

   The dividing line or location between two areas.

   So this was my future home, I thought![…]Backed by towering hills, the but faintly discernible purple line of the French boundary off to the southwest, a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.

2. 2
   noun

   The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond).

   I didn’t mean to push the boundaries by sending my boss a message on Saturday night.

3. 3
   noun

   An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team.

   Travis hit a boundary to seal the match on the last ball of the over.

4. 4
   noun

   the greatest possible degree of something

5. 5
   noun

   the line or plane indicating the limit or extent of something

6. 6
   noun

   a line determining the limits of an area

7. 7
   noun

   An edge or line marking an edge of the playing field.

8. 8
   noun

   (of a set) The set of points in the closure of a set S, not belonging to the interior of that set.

Etymology

From bound + -ary, Old French, from Latin.