"WW1" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {},
      "expansion": "WW1",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "World War I"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "History of the United States",
          "orig": "en:History of the United States",
          "parents": [
            "United States",
            "History",
            "North America",
            "All topics",
            "America",
            "Fundamental",
            "Earth",
            "Nature"
          ],
          "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": [
        "Abbreviation of World War I."
      ],
      "id": "en-WW1-en-name-RbV8fHKp",
      "links": [
        [
          "World War I",
          "World War I#English"
        ]
      ],
      "synonyms": [
        {
          "word": "WWI"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "wikipedia": [
        "WW1"
      ]
    }
  ],
  "word": "WW1"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "WW1",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "World War I"
        }
      ],
      "categories": [
        "English abbreviations",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English proper nouns",
        "English terms spelled with numbers",
        "English uncountable nouns",
        "English words without vowels",
        "en:History of the United States",
        "en:War"
      ],
      "glosses": [
        "Abbreviation of World War I."
      ],
      "links": [
        [
          "World War I",
          "World War I#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "wikipedia": [
        "WW1"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "WWI"
    }
  ],
  "word": "WW1"
}