"tagholder" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tag",
        "3": "holder"
      },
      "expansion": "tag + holder",
      "name": "compound"
    }
  ],
  "etymology_text": "From tag + holder.",
  "forms": [
    {
      "form": "tagholders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tagholder (plural tagholders)",
      "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 terms with consonant pseudo-digraphs",
          "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": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2002, Philomena, “Nominet WHOIS”, in alt.internet.providers.uk (Usenet):",
          "text": "Some co.uk domains, including mine, now display a \"Trading as...\" line. Does this perhaps indicate that the reg-type field is set, and is set to something other than IND? What are the possible values for the field? My tagholder doesn't show it in the control panel as yet.",
          "type": "quote"
        },
        {
          "ref": "2002, Adam D. Barratt, “AceInternet”, in alt.internet.providers.uk (Usenet):",
          "text": "Now, if they weren't members and tagholders, each of those domains would be costing them around GBP70. I'll leave you to do the maths on that one.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Formerly, any domain registrar serving the .uk top-level domain."
      ],
      "id": "en-tagholder-en-noun-6jQ6JOUQ",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "domain",
          "domain"
        ],
        [
          "registrar",
          "registrar"
        ],
        [
          ".uk",
          ".uk"
        ],
        [
          "top-level domain",
          "top-level domain"
        ]
      ],
      "raw_glosses": [
        "(Internet, historical) Formerly, any domain registrar serving the .uk top-level domain."
      ],
      "tags": [
        "Internet",
        "historical"
      ]
    }
  ],
  "word": "tagholder"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tag",
        "3": "holder"
      },
      "expansion": "tag + holder",
      "name": "compound"
    }
  ],
  "etymology_text": "From tag + holder.",
  "forms": [
    {
      "form": "tagholders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tagholder (plural tagholders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with consonant pseudo-digraphs",
        "English terms with historical senses",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Internet"
      ],
      "examples": [
        {
          "ref": "2002, Philomena, “Nominet WHOIS”, in alt.internet.providers.uk (Usenet):",
          "text": "Some co.uk domains, including mine, now display a \"Trading as...\" line. Does this perhaps indicate that the reg-type field is set, and is set to something other than IND? What are the possible values for the field? My tagholder doesn't show it in the control panel as yet.",
          "type": "quote"
        },
        {
          "ref": "2002, Adam D. Barratt, “AceInternet”, in alt.internet.providers.uk (Usenet):",
          "text": "Now, if they weren't members and tagholders, each of those domains would be costing them around GBP70. I'll leave you to do the maths on that one.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Formerly, any domain registrar serving the .uk top-level domain."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "domain",
          "domain"
        ],
        [
          "registrar",
          "registrar"
        ],
        [
          ".uk",
          ".uk"
        ],
        [
          "top-level domain",
          "top-level domain"
        ]
      ],
      "raw_glosses": [
        "(Internet, historical) Formerly, any domain registrar serving the .uk top-level domain."
      ],
      "tags": [
        "Internet",
        "historical"
      ]
    }
  ],
  "word": "tagholder"
}