"knight of the hammer" meaning in English

{
  "forms": [
    {
      "form": "knights of the hammer",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "knights of the hammer"
      },
      "expansion": "knight of the hammer (plural knights of the hammer)",
      "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": "1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 344",
          "text": "As there was no newspaper in the district, the local knight of the hammer engaged to post up written notices, and send round and tell the boys to \"roll up.\" After breakfast the next morning we got in all our horses, and sorted guns, saddlery, &c., into lots for the auction sale.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An auctioneer."
      ],
      "id": "en-knight_of_the_hammer-en-noun-K9cH5zX4",
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "auctioneer",
          "auctioneer"
        ]
      ],
      "raw_glosses": [
        "(humorous, archaic) An auctioneer."
      ],
      "tags": [
        "archaic",
        "humorous"
      ]
    }
  ],
  "word": "knight of the hammer"
}

{
  "forms": [
    {
      "form": "knights of the hammer",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "knights of the hammer"
      },
      "expansion": "knight of the hammer (plural knights of the hammer)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English humorous terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with archaic senses",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 344",
          "text": "As there was no newspaper in the district, the local knight of the hammer engaged to post up written notices, and send round and tell the boys to \"roll up.\" After breakfast the next morning we got in all our horses, and sorted guns, saddlery, &c., into lots for the auction sale.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An auctioneer."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "auctioneer",
          "auctioneer"
        ]
      ],
      "raw_glosses": [
        "(humorous, archaic) An auctioneer."
      ],
      "tags": [
        "archaic",
        "humorous"
      ]
    }
  ],
  "word": "knight of the hammer"
}