boundary (plural boundaries)
- The dividing line or location between two areas.
- 1908, W[illiam] B[lair] M[orton] Ferguson, chapter IV, in Zollenstein, New York, N.Y.: D. Appleton & Company, OCLC 731476803 ↗, page 40 ↗:
- 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.
- (cricket) An edge or line marking an edge of the playing field.
- (cricket) 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.
- (topology) (of a set) The set of points in the closure of a set S, not belonging to the interior of that set.
- French: frontière, limite
- German: Grenze
- Italian: confine, limite
- Portuguese: fronteira
- Russian: грани́ца
- Spanish: frontera, límite, linde, lindero