"Fourth World War" meaning in English

{
  "forms": [
    {
      "form": "the Fourth World War",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Fourth World War"
      },
      "expansion": "the Fourth World War",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "English entries with topic categories using raw markup",
          "parents": [
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "War",
          "orig": "en:War",
          "parents": [
            "Conflict",
            "Military",
            "Violence",
            "Human behaviour",
            "Society",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "World War IV."
      ],
      "id": "en-Fourth_World_War-en-name-U-N8qZN-",
      "links": [
        [
          "World War IV",
          "World War IV"
        ]
      ],
      "related": [
        {
          "word": "First World War"
        },
        {
          "word": "Second World War"
        },
        {
          "word": "Third World War"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɔː(ɹ)"
    }
  ],
  "word": "Fourth World War"
}

{
  "forms": [
    {
      "form": "the Fourth World War",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Fourth World War"
      },
      "expansion": "the Fourth World War",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "First World War"
    },
    {
      "word": "Second World War"
    },
    {
      "word": "Third World War"
    }
  ],
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        "English entries with topic categories using raw markup",
        "English lemmas",
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        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "Rhymes:English/ɔː(ɹ)",
        "Rhymes:English/ɔː(ɹ)/3 syllables",
        "en:War"
      ],
      "glosses": [
        "World War IV."
      ],
      "links": [
        [
          "World War IV",
          "World War IV"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɔː(ɹ)"
    }
  ],
  "word": "Fourth World War"
}