"autochronograph" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "auto",
        "3": "chronograph"
      },
      "expansion": "auto- + chronograph",
      "name": "prefix"
    }
  ],
  "etymology_text": "auto- + chronograph",
  "forms": [
    {
      "form": "autochronographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "autochronograph (plural autochronographs)",
      "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 terms prefixed with auto-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An instrument for the instantaneous self-recording or printing of time."
      ],
      "id": "en-autochronograph-en-noun-wVk~vWTf",
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "instantaneous",
          "instantaneous"
        ],
        [
          "print",
          "print"
        ],
        [
          "time",
          "time"
        ]
      ],
      "raw_glosses": [
        "(rare, archaic) An instrument for the instantaneous self-recording or printing of time."
      ],
      "tags": [
        "archaic",
        "rare"
      ]
    }
  ],
  "word": "autochronograph"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "auto",
        "3": "chronograph"
      },
      "expansion": "auto- + chronograph",
      "name": "prefix"
    }
  ],
  "etymology_text": "auto- + chronograph",
  "forms": [
    {
      "form": "autochronographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "autochronograph (plural autochronographs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with auto-",
        "English terms with archaic senses",
        "English terms with rare senses"
      ],
      "glosses": [
        "An instrument for the instantaneous self-recording or printing of time."
      ],
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "instantaneous",
          "instantaneous"
        ],
        [
          "print",
          "print"
        ],
        [
          "time",
          "time"
        ]
      ],
      "raw_glosses": [
        "(rare, archaic) An instrument for the instantaneous self-recording or printing of time."
      ],
      "tags": [
        "archaic",
        "rare"
      ]
    }
  ],
  "word": "autochronograph"
}