"Millionaires' Row" meaning in English

{
  "forms": [
    {
      "form": "Millionaire's Row",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Millionaires' Row"
      },
      "expansion": "Millionaires' Row",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009, The Guardian, 29 January, (headline)",
          "text": "Squatters evicted from mansions on millionaires’ row."
        },
        {
          "ref": "2015, Dominic Sandbrook, The Great British Dream Factory, Penguin, published 2016, page 105:",
          "text": "Saatchi's support could mean the difference between exhibiting in an obscure warehouse and living it up on Millionaire’s Row.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A (real or imagined) street consisting of the residences of very rich people."
      ],
      "id": "en-Millionaires'_Row-en-name-OsdGNnru",
      "links": [
        [
          "street",
          "street"
        ],
        [
          "residence",
          "residence"
        ]
      ]
    }
  ],
  "word": "Millionaires' Row"
}

{
  "forms": [
    {
      "form": "Millionaire's Row",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Millionaires' Row"
      },
      "expansion": "Millionaires' Row",
      "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 proper nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2009, The Guardian, 29 January, (headline)",
          "text": "Squatters evicted from mansions on millionaires’ row."
        },
        {
          "ref": "2015, Dominic Sandbrook, The Great British Dream Factory, Penguin, published 2016, page 105:",
          "text": "Saatchi's support could mean the difference between exhibiting in an obscure warehouse and living it up on Millionaire’s Row.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A (real or imagined) street consisting of the residences of very rich people."
      ],
      "links": [
        [
          "street",
          "street"
        ],
        [
          "residence",
          "residence"
        ]
      ]
    }
  ],
  "word": "Millionaires' Row"
}