"Davy lamp" meaning in English

{
  "etymology_text": "Named for its inventor, Sir Humphry Davy.",
  "forms": [
    {
      "form": "Davy lamps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Davy lamp (plural Davy lamps)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mining",
          "orig": "en:Mining",
          "parents": [
            "Industries",
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "Geordie lamp"
        }
      ],
      "glosses": [
        "A miners' lamp or safety lamp used in coal mines to prevent explosions."
      ],
      "id": "en-Davy_lamp-en-noun-U~CfZD-e",
      "links": [
        [
          "mining",
          "mining#Noun"
        ],
        [
          "miner",
          "miner"
        ],
        [
          "lamp",
          "lamp"
        ],
        [
          "safety lamp",
          "safety lamp"
        ]
      ],
      "raw_glosses": [
        "(mining, historical) A miners' lamp or safety lamp used in coal mines to prevent explosions."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "business",
        "mining"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "a safety lamp used in coal mines",
          "word": "lampe Davy"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "a safety lamp used in coal mines",
          "word": "Davy-lámpa"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "lámpa Dɛ́vi",
          "sense": "a safety lamp used in coal mines",
          "tags": [
            "feminine"
          ],
          "word": "ла́мпа Дэ́ви"
        }
      ],
      "wikipedia": [
        "Davy lamp",
        "Sir Humphry Davy"
      ]
    }
  ],
  "word": "Davy lamp"
}

{
  "coordinate_terms": [
    {
      "word": "Geordie lamp"
    }
  ],
  "etymology_text": "Named for its inventor, Sir Humphry Davy.",
  "forms": [
    {
      "form": "Davy lamps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Davy lamp (plural Davy lamps)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with non-redundant non-automated sortkeys",
        "en:Mining"
      ],
      "glosses": [
        "A miners' lamp or safety lamp used in coal mines to prevent explosions."
      ],
      "links": [
        [
          "mining",
          "mining#Noun"
        ],
        [
          "miner",
          "miner"
        ],
        [
          "lamp",
          "lamp"
        ],
        [
          "safety lamp",
          "safety lamp"
        ]
      ],
      "raw_glosses": [
        "(mining, historical) A miners' lamp or safety lamp used in coal mines to prevent explosions."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "business",
        "mining"
      ],
      "wikipedia": [
        "Davy lamp",
        "Sir Humphry Davy"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "a safety lamp used in coal mines",
      "word": "lampe Davy"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "a safety lamp used in coal mines",
      "word": "Davy-lámpa"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "lámpa Dɛ́vi",
      "sense": "a safety lamp used in coal mines",
      "tags": [
        "feminine"
      ],
      "word": "ла́мпа Дэ́ви"
    }
  ],
  "word": "Davy lamp"
}