"John Henry" meaning in English

{
  "etymology_text": "Believed to be a Western United States cowboy variation (dating from the late 1700s or early 1800s) of John Hancock, the first person to sign the United States Declaration of Independence and whose name later became a synonym for a signature. This usage predates the American folklore hero John Henry from the 1870s.",
  "forms": [
    {
      "form": "John Henrys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "John Henry (plural John Henrys)",
      "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 entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1986, L. Ron Hubbard, Villainy Victorious: Mission Earth",
          "text": "They stepped forward. Bury held a pen at them. “So if you fellows will just put your John Henrys on this document, it's all legal.” The two privates signed it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One's signature."
      ],
      "id": "en-John_Henry-en-noun-v69x-nLt",
      "links": [
        [
          "signature",
          "signature"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) One's signature."
      ],
      "related": [
        {
          "word": "John Hancock"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-John Henry.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/69/En-au-John_Henry.ogg/En-au-John_Henry.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/69/En-au-John_Henry.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "John Henry"
}

{
  "etymology_text": "Believed to be a Western United States cowboy variation (dating from the late 1700s or early 1800s) of John Hancock, the first person to sign the United States Declaration of Independence and whose name later became a synonym for a signature. This usage predates the American folklore hero John Henry from the 1870s.",
  "forms": [
    {
      "form": "John Henrys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "John Henry (plural John Henrys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "John Hancock"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1986, L. Ron Hubbard, Villainy Victorious: Mission Earth",
          "text": "They stepped forward. Bury held a pen at them. “So if you fellows will just put your John Henrys on this document, it's all legal.” The two privates signed it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One's signature."
      ],
      "links": [
        [
          "signature",
          "signature"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) One's signature."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-John Henry.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/69/En-au-John_Henry.ogg/En-au-John_Henry.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/69/En-au-John_Henry.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "John Henry"
}