"grand seignior" meaning in English

{
  "forms": [
    {
      "form": "grand seigniors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grand seignior (plural grand seigniors)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1718, Daniel Defoe, A Continuation of Letters Written by a Turkish Spy at Paris, London: W. Taylor, Letter 10, p. 222",
          "text": "The Fortifications of the Town and Port of Dunkirk I send thee as a thing by it self, because I am inform’d the Grand Seignior has commanded thee to make a Port and Harbour at Candia, which he designs to make the strongest City, and the safest Harbour in the World.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The sultan of Turkey."
      ],
      "id": "en-grand_seignior-en-noun-wvzijQzr",
      "links": [
        [
          "sultan",
          "sultan"
        ],
        [
          "Turkey",
          "Turkey"
        ]
      ],
      "raw_glosses": [
        "(historical) The sultan of Turkey."
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "grand seignior"
}

{
  "forms": [
    {
      "form": "grand seigniors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grand seignior (plural grand seigniors)",
      "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 historical senses",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1718, Daniel Defoe, A Continuation of Letters Written by a Turkish Spy at Paris, London: W. Taylor, Letter 10, p. 222",
          "text": "The Fortifications of the Town and Port of Dunkirk I send thee as a thing by it self, because I am inform’d the Grand Seignior has commanded thee to make a Port and Harbour at Candia, which he designs to make the strongest City, and the safest Harbour in the World.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The sultan of Turkey."
      ],
      "links": [
        [
          "sultan",
          "sultan"
        ],
        [
          "Turkey",
          "Turkey"
        ]
      ],
      "raw_glosses": [
        "(historical) The sultan of Turkey."
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "grand seignior"
}