"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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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        },
        {
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        },
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          "name": "Terms with French translations",
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        },
        {
          "kind": "other",
          "name": "Terms with Hungarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "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",
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        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations",
        "Terms with Hungarian translations",
        "Terms with Russian translations",
        "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"
}