"old-old" meaning in English

{
  "forms": [
    {
      "form": "old-olds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "old-old"
      },
      "expansion": "old-old (plural old-olds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 reduplications",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Age",
          "orig": "en:Age",
          "parents": [
            "Human",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1991, Leila Simonen, Feminist Social Policy in Finland, page 95:",
          "text": "Especially the amount and percentage of old-olds is increasing. Care for the elderly is a women's issue from two perspectives: carers are presumably women, and most of those cared-for as well.",
          "type": "quote"
        },
        {
          "ref": "2006, Robyn Rice, Home Care Nursing Practice: Concepts and Application, page 376:",
          "text": "The group of 75 and over, the “old-olds,” is the fasting growing age group in our country.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person aged 75 or older."
      ],
      "id": "en-old-old-en-noun-alfOC3-H",
      "qualifier": "social work",
      "raw_glosses": [
        "(social work, slang) A person aged 75 or older."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "old-old"
}

{
  "forms": [
    {
      "form": "old-olds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "old-old"
      },
      "expansion": "old-old (plural old-olds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English reduplications",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Age",
        "en:People"
      ],
      "examples": [
        {
          "ref": "1991, Leila Simonen, Feminist Social Policy in Finland, page 95:",
          "text": "Especially the amount and percentage of old-olds is increasing. Care for the elderly is a women's issue from two perspectives: carers are presumably women, and most of those cared-for as well.",
          "type": "quote"
        },
        {
          "ref": "2006, Robyn Rice, Home Care Nursing Practice: Concepts and Application, page 376:",
          "text": "The group of 75 and over, the “old-olds,” is the fasting growing age group in our country.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person aged 75 or older."
      ],
      "qualifier": "social work",
      "raw_glosses": [
        "(social work, slang) A person aged 75 or older."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "old-old"
}