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  1. BOUNDARY Definition & Meaning - Merriam-Webster

    Jun 20, 2026 · The meaning of BOUNDARY is something that indicates or fixes a limit or extent. How to use boundary in a sentence.

  2. BOUNDARY | English meaning - Cambridge Dictionary

    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.

  3. Boundary - Wikipedia

    Boundary (topology), the closure minus the interior of a subset of a topological space; an edge in the topology of manifolds, as in the …

  4. BOUNDARY Definition & Meaning | Dictionary.com

    BOUNDARY definition: a line or limit where one thing ends and another begins, or something that indicates such a line or limit. See …

  5. BOUNDARY definition and meaning | Collins English Dictionary

    2 meanings: 1. something that indicates the farthest limit, as of an area; border 2. cricket a. the marked limit of the playing.... Click for …

  6. Border - Wikipedia

    A DMZ can act as a war boundary, ceasefire line, wildlife preserve, or a de facto international border. An example of a demilitarized …

  7. Boundary - definition of boundary by The Free Dictionary

    Define boundary. boundary synonyms, boundary pronunciation, boundary translation, English dictionary definition of boundary. n. pl. …

  8. Boundary - Definition, Meaning & Synonyms | Vocabulary.com

    If you play a sport you are familiar with the term "in bounds," which refers to the boundary, or limits of the playing field that the …

  9. Boundary - National Geographic Society

    Dec 9, 2024 · A boundary is a real or imaginary line that separates two things. In geography, boundaries separate different regions of …

  10. BOUNDARY | definition in the Cambridge English Dictionary

    BOUNDARY meaning: 1. a real or imagined line that marks the edge or limit of something: 2. the limit of a subject or…. Learn more.