"Greathead" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "great",
        "3": "head"
      },
      "expansion": "great + head",
      "name": "com"
    }
  ],
  "etymology_text": "From great + head, a nickname given to someone with a large head.",
  "forms": [
    {
      "form": "Greatheads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "Greathead (plural Greatheads)",
      "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 surnames",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A surname transferred from the nickname."
      ],
      "id": "en-Greathead-en-name-su1yiRXa",
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Greathead"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "great",
        "3": "head"
      },
      "expansion": "great + head",
      "name": "com"
    }
  ],
  "etymology_text": "From great + head, a nickname given to someone with a large head.",
  "forms": [
    {
      "form": "Greatheads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "Greathead (plural Greatheads)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English surnames",
        "English surnames from nicknames",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A surname transferred from the nickname."
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Greathead"
}