"broad seal" meaning in English

{
  "forms": [
    {
      "form": "broad seals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "broad seal (plural broad seals)",
      "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"
        }
      ],
      "derived": [
        {
          "word": "broad-seal"
        }
      ],
      "examples": [
        {
          "ref": "1613, John Marston, William Barksted, The Insatiate Countess, III.3",
          "text": "Faith, if we were disposed, we might sin as safe as if we had the broad seal to warrant it; but that night's work will stick by me this forty weeks.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The public seal of a nation, especially the British Great Seal of the Realm; supreme authority."
      ],
      "id": "en-broad_seal-en-noun-9CzvBkmr"
    }
  ],
  "word": "broad seal"
}

{
  "derived": [
    {
      "word": "broad-seal"
    }
  ],
  "forms": [
    {
      "form": "broad seals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "broad seal (plural broad seals)",
      "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 terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1613, John Marston, William Barksted, The Insatiate Countess, III.3",
          "text": "Faith, if we were disposed, we might sin as safe as if we had the broad seal to warrant it; but that night's work will stick by me this forty weeks.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The public seal of a nation, especially the British Great Seal of the Realm; supreme authority."
      ]
    }
  ],
  "word": "broad seal"
}