Boundary

The meaning of BOUNDARY is something that indicates or fixes a limit or extent. How to use boundary in a sentence. BOUNDARY definition: a line or limit where one thing ends and another begins, or something that indicates such a line or limit. See examples of boundary used in a sentence. BOUNDARY definition: 1. a real or imagined line that marks the edge or limit of something: 2. the limit of a subject or.. Learn more. A boundary is a border and it can be physical, such as a fence between two properties, or abstract, such as a moral boundary that society decides it is wrong to cross. The point where you cross from one country to another is usually called the border. The line on a map that shows the border of a country can be called the boundary, but “boundary” is not used when you.

boundary A line that delineates surface areas for the purpose of facilitating coordination and deconfliction of operations between adjacent units, formations, or areas. Feb 12, 2026 · Noun boundary (plural boundaries) The dividing line or location between two areas. something that indicates bounds or limits, as a line: A mountain range forms a natural boundary between the two countries. BOUNDARY meaning: 1 : something (such as a river, a fence, or an imaginary line) that shows where an area ends and another area begins; 2 : a point or limit that indicates where two things become different