"QE2" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "QE2",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "_dis": "61 39",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "56 44",
          "kind": "topical",
          "langcode": "en",
          "name": "Individuals",
          "orig": "en:Individuals",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Queen Elizabeth II of the United Kingdom."
      ],
      "id": "en-QE2-en-name-hqaQP~Uq"
    },
    {
      "glosses": [
        "Any number of things named for Queen Elizabeth II."
      ],
      "id": "en-QE2-en-name-99igA34e",
      "raw_glosses": [
        "(by extension) Any number of things named for Queen Elizabeth II."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "word": "QE2"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English initialisms",
    "English lemmas",
    "English proper nouns",
    "English terms spelled with numbers",
    "English uncountable nouns",
    "English words containing Q not followed by U",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Individuals"
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "QE2",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "glosses": [
        "Queen Elizabeth II of the United Kingdom."
      ]
    },
    {
      "glosses": [
        "Any number of things named for Queen Elizabeth II."
      ],
      "raw_glosses": [
        "(by extension) Any number of things named for Queen Elizabeth II."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "word": "QE2"
}