"black swan event" meaning in All languages combined

{
  "forms": [
    {
      "form": "black swan events",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "black swan event"
      },
      "expansion": "black swan event (plural black swan events)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Economics",
          "orig": "en:Economics",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A highly improbable occurrence that has an impact on the economy."
      ],
      "id": "en-black_swan_event-en-noun-4DyjYXz~",
      "links": [
        [
          "economics",
          "economics"
        ],
        [
          "improbable",
          "improbable"
        ],
        [
          "occurrence",
          "occurrence"
        ],
        [
          "impact",
          "impact"
        ],
        [
          "economy",
          "economy"
        ]
      ],
      "raw_glosses": [
        "(economics) A highly improbable occurrence that has an impact on the economy."
      ],
      "topics": [
        "economics",
        "sciences"
      ]
    }
  ],
  "word": "black swan event"
}

{
  "forms": [
    {
      "form": "black swan events",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "black swan event"
      },
      "expansion": "black swan event (plural black swan events)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Economics"
      ],
      "glosses": [
        "A highly improbable occurrence that has an impact on the economy."
      ],
      "links": [
        [
          "economics",
          "economics"
        ],
        [
          "improbable",
          "improbable"
        ],
        [
          "occurrence",
          "occurrence"
        ],
        [
          "impact",
          "impact"
        ],
        [
          "economy",
          "economy"
        ]
      ],
      "raw_glosses": [
        "(economics) A highly improbable occurrence that has an impact on the economy."
      ],
      "topics": [
        "economics",
        "sciences"
      ]
    }
  ],
  "word": "black swan event"
}