(n.) That which indicates or fixes a limit or extent or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). boundary. Retrieved September 20, 2026, from http://smartdefine.org/boundary/definitions/1981867 |
| Chicago | Webster's. 2011. "boundary" http://smartdefine.org/boundary/definitions/1981867 (accessed September 20, 2026). |
| Harvard | Webster's 2011, boundary, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/boundary/definitions/1981867>. |
| MLA | Webster's. "boundary" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/boundary/definitions/1981867> |