"Old Lady of Threadneedle Street" meaning in English

{
  "etymology_text": "From the bank's age and its location on Threadneedle Street.",
  "forms": [
    {
      "form": "the Old Lady of Threadneedle Street",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Old Lady of Threadneedle Street"
      },
      "expansion": "the Old Lady of Threadneedle Street",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Nicknames",
          "orig": "en:Nicknames",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The Bank of England."
      ],
      "id": "en-Old_Lady_of_Threadneedle_Street-en-name-i~m~E8Jm",
      "raw_glosses": [
        "(poetic) The Bank of England."
      ],
      "tags": [
        "poetic"
      ],
      "wikipedia": [
        "Threadneedle Street"
      ]
    }
  ],
  "word": "Old Lady of Threadneedle Street"
}

{
  "etymology_text": "From the bank's age and its location on Threadneedle Street.",
  "forms": [
    {
      "form": "the Old Lady of Threadneedle Street",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Old Lady of Threadneedle Street"
      },
      "expansion": "the Old Lady of Threadneedle Street",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English poetic terms",
        "English proper nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Nicknames"
      ],
      "glosses": [
        "The Bank of England."
      ],
      "raw_glosses": [
        "(poetic) The Bank of England."
      ],
      "tags": [
        "poetic"
      ],
      "wikipedia": [
        "Threadneedle Street"
      ]
    }
  ],
  "word": "Old Lady of Threadneedle Street"
}