"grandpop" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grand",
        "3": "pop"
      },
      "expansion": "grand- + pop",
      "name": "prefix"
    }
  ],
  "etymology_text": "From grand- + pop.",
  "forms": [
    {
      "form": "grandpops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grandpop (plural grandpops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with grand-",
          "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": "Male family members",
          "orig": "en:Male family members",
          "parents": [
            "Family members",
            "Male people",
            "Family",
            "Male",
            "People",
            "Gender",
            "Human",
            "Biology",
            "Psychology",
            "Sociology",
            "All topics",
            "Sciences",
            "Social sciences",
            "Fundamental",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "grandfather"
      ],
      "id": "en-grandpop-en-noun-ercEmXNZ",
      "links": [
        [
          "grandfather",
          "grandfather"
        ]
      ],
      "raw_glosses": [
        "(US, informal) grandfather"
      ],
      "tags": [
        "US",
        "informal"
      ]
    }
  ],
  "word": "grandpop"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grand",
        "3": "pop"
      },
      "expansion": "grand- + pop",
      "name": "prefix"
    }
  ],
  "etymology_text": "From grand- + pop.",
  "forms": [
    {
      "form": "grandpops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grandpop (plural grandpops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English nouns",
        "English terms prefixed with grand-",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Male family members"
      ],
      "glosses": [
        "grandfather"
      ],
      "links": [
        [
          "grandfather",
          "grandfather"
        ]
      ],
      "raw_glosses": [
        "(US, informal) grandfather"
      ],
      "tags": [
        "US",
        "informal"
      ]
    }
  ],
  "word": "grandpop"
}