"Mile High City" meaning in English

{
  "etymology_text": "From the city's official elevation of exactly one mile (1.6 km) or 5,280 feet (1,609.344 m) above sea level.",
  "forms": [
    {
      "form": "the Mile High City",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Mile High City"
      },
      "expansion": "the Mile High City",
      "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"
          ],
          "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": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "City nicknames",
          "orig": "en:City nicknames",
          "parents": [
            "Cities",
            "Nicknames",
            "Polities",
            "Names",
            "Places",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1958 May 15, “Mrs. Eisenhower Leaves Denver”, in The Deseret News",
          "text": "Mrs. Eisenhower said she was not disappointed at the rainy weather in Denver during her visit, and said, in fact, she hoped to return to the Mile High City soon.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The city of Denver, Colorado, United States."
      ],
      "id": "en-Mile_High_City-en-name-GrR73GXp",
      "links": [
        [
          "city",
          "city"
        ],
        [
          "Denver",
          "Denver"
        ],
        [
          "Colorado",
          "Colorado"
        ],
        [
          "United States",
          "United States"
        ]
      ],
      "raw_glosses": [
        "(informal) The city of Denver, Colorado, United States."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "Mile High City"
}

{
  "etymology_text": "From the city's official elevation of exactly one mile (1.6 km) or 5,280 feet (1,609.344 m) above sea level.",
  "forms": [
    {
      "form": "the Mile High City",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Mile High City"
      },
      "expansion": "the Mile High City",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English uncountable nouns",
        "en:City nicknames"
      ],
      "examples": [
        {
          "ref": "1958 May 15, “Mrs. Eisenhower Leaves Denver”, in The Deseret News",
          "text": "Mrs. Eisenhower said she was not disappointed at the rainy weather in Denver during her visit, and said, in fact, she hoped to return to the Mile High City soon.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The city of Denver, Colorado, United States."
      ],
      "links": [
        [
          "city",
          "city"
        ],
        [
          "Denver",
          "Denver"
        ],
        [
          "Colorado",
          "Colorado"
        ],
        [
          "United States",
          "United States"
        ]
      ],
      "raw_glosses": [
        "(informal) The city of Denver, Colorado, United States."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "Mile High City"
}