"Glasgow magistrate" meaning in English

{
  "etymology_text": "Hotten states: \"When George IV. visited Scotland, a wag placed some salt herrings on the iron guard of the carriage belonging to a well-known Glasgow magistrate, who made one of a deputation to receive his Majesty.\"",
  "forms": [
    {
      "form": "Glasgow magistrates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Glasgow magistrate (plural Glasgow magistrates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British 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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A salted herring."
      ],
      "id": "en-Glasgow_magistrate-en-noun-JePBl8H0",
      "links": [
        [
          "salt",
          "salt"
        ],
        [
          "herring",
          "herring"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, obsolete) A salted herring."
      ],
      "tags": [
        "UK",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "Glasgow magistrate"
}

{
  "etymology_text": "Hotten states: \"When George IV. visited Scotland, a wag placed some salt herrings on the iron guard of the carriage belonging to a well-known Glasgow magistrate, who made one of a deputation to receive his Majesty.\"",
  "forms": [
    {
      "form": "Glasgow magistrates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Glasgow magistrate (plural Glasgow magistrates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms derived from toponyms",
        "English terms with obsolete senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A salted herring."
      ],
      "links": [
        [
          "salt",
          "salt"
        ],
        [
          "herring",
          "herring"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, obsolete) A salted herring."
      ],
      "tags": [
        "UK",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "Glasgow magistrate"
}