{
  "id": "river.watercourse",
  "term": "river",
  "sense": "watercourse",
  "pos": "noun",
  "status": "review",
  "level": 15,
  "arena": "river",
  "domain": "earth",
  "style": null,
  "definition": "water that flows along a track between boundaries",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "water.liquid",
      "flow.movement",
      "boundary.limit",
      "track.path",
      "along.spatial"
    ],
    "interaction": "the water moves along a track between boundaries",
    "novel_properties": [
      "continuous flow within constrained edges",
      "directional movement following a path",
      "persistent channelled course"
    ]
  },
  "examples": [
    {
      "text": "The Nile flows 6,650 km from Lake Victoria to the Mediterranean, bounded by riverbanks across northeastern Africa.",
      "domain": "geography"
    },
    {
      "text": "The Rhine carries industrial freight past Basel, constrained by concrete embankments and seasonal snowmelt from the Alps.",
      "domain": "engineering"
    },
    {
      "text": "Amazon River discharges 209,000 m³/s into the Atlantic, tracing a path through rainforest defined by natural levees.",
      "domain": "ecology"
    }
  ],
  "relations": [
    {
      "id": "fluid.liquid",
      "note": "is-a",
      "type": "is-a"
    },
    {
      "id": "travel.movement",
      "note": "medium-for",
      "type": "medium-for"
    }
  ],
  "used_by": [],
  "forms": [
    "river",
    "rivers"
  ],
  "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": "factual",
      "note": "Added 'along.spatial' as it is essential to the definition and was missing in components."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-river.watercourse"
}