"ceraunograph" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cerauno-",
        "3": "-graph"
      },
      "expansion": "cerauno- + -graph",
      "name": "af"
    }
  ],
  "etymology_text": "From cerauno- + -graph.",
  "forms": [
    {
      "form": "ceraunographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ceraunograph (plural ceraunographs)",
      "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 cerauno-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -graph",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A device for measuring lightning discharges."
      ],
      "id": "en-ceraunograph-en-noun-vCSIveEn",
      "links": [
        [
          "device",
          "device"
        ],
        [
          "measuring",
          "measure"
        ],
        [
          "lightning",
          "lightning"
        ],
        [
          "discharge",
          "discharge"
        ]
      ],
      "related": [
        {
          "word": "keraunograph"
        }
      ]
    }
  ],
  "word": "ceraunograph"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cerauno-",
        "3": "-graph"
      },
      "expansion": "cerauno- + -graph",
      "name": "af"
    }
  ],
  "etymology_text": "From cerauno- + -graph.",
  "forms": [
    {
      "form": "ceraunographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ceraunograph (plural ceraunographs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "keraunograph"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with cerauno-",
        "English terms suffixed with -graph"
      ],
      "glosses": [
        "A device for measuring lightning discharges."
      ],
      "links": [
        [
          "device",
          "device"
        ],
        [
          "measuring",
          "measure"
        ],
        [
          "lightning",
          "lightning"
        ],
        [
          "discharge",
          "discharge"
        ]
      ]
    }
  ],
  "word": "ceraunograph"
}