{
  "id": "region.spatial",
  "term": "region",
  "sense": "spatial",
  "pos": "noun",
  "status": "review",
  "level": 6,
  "arena": "region",
  "domain": "everyday",
  "style": null,
  "definition": "a part of space that is inside a boundary",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "space.extent",
      "boundary.limit",
      "part.relation",
      "inside.spatial"
    ],
    "interaction": "A boundary limits space and creates a part of that space by defining what is within it.",
    "novel_properties": [
      "bounded region",
      "interior space",
      "spatial containment"
    ]
  },
  "examples": [
    {
      "text": "The Arctic Circle encloses the region where summer days last 24 hours due to Earth's axial tilt.",
      "domain": "geography"
    },
    {
      "text": "The event horizon of black hole M87* marks a region from which no light escapes.",
      "domain": "astrophysics"
    },
    {
      "text": "The Schengen Area is a legal region where internal border checks are abolished among 27 European countries.",
      "domain": "institutions"
    }
  ],
  "relations": [
    {
      "id": "area.spatial",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [
    "africa.geography",
    "asian.geographic",
    "climate.weather",
    "district.administrative",
    "domain.area",
    "england.political",
    "europe.region",
    "european.regional",
    "federal.government",
    "french.language",
    "geographic.spatial",
    "geography.spatial",
    "harmony.relational",
    "kingdom.political",
    "lake.geographic",
    "niche.parameter-space",
    "regional.spatial"
  ],
  "forms": [
    "region",
    "regions"
  ],
  "closed": true,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.6,
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "components",
      "note": "Added 'inside.spatial' as a necessary component since the definition relies on the notion of being 'within' a boundary."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-region.spatial"
}