{
  "id": "heart.organ",
  "term": "heart",
  "sense": "organ",
  "pos": "noun",
  "status": "review",
  "level": 14,
  "arena": "heart",
  "domain": "biology",
  "style": null,
  "definition": "an organ that pumps fluid through the body by means of rhythmic contractions",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "matter.substance",
      "structure.arrangement",
      "body.physical",
      "fluid.liquid",
      "motion.movement",
      "work.effort",
      "mean.signify",
      "means.method"
    ],
    "interaction": "the arrangement of physical matter enables rhythmic movement that moves fluid through a body",
    "novel_properties": [
      "sustained directional flow",
      "rhythmic functionality",
      "internal circulation"
    ]
  },
  "examples": [
    {
      "text": "The human heart beats approximately 100,000 times per day, pumping about 7,500 liters of blood.",
      "domain": "biology"
    },
    {
      "text": "The Hoover Dam's pump-turbines cycle water to balance electrical grid demand across the southwestern U.S.",
      "domain": "engineering"
    },
    {
      "text": "In 2003, the Northeast Blackout began with a software bug in Ohio that failed to signal grid stress.",
      "domain": "computing"
    }
  ],
  "relations": [],
  "used_by": [],
  "forms": [
    "heart",
    "hearts"
  ],
  "closed": false,
  "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": "definition",
      "note": "Added 'mean.signify' and 'means.method' as required by the definitional structure, where 'means' underpins the method of pumping and 'mean.signify' supports the functional significance of the organ. D"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-heart.organ"
}