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Definition of Davy lamp
1. Noun. An oil lamp that will not ignite flammable gases (methane). 
Definition of Davy lamp
1. Noun. A miners’ lamp or safety lamp used in coal mines to warn against methane (firedamp). ¹
¹ Source: wiktionary.com
|  | 
1. Noun. An oil lamp that will not ignite flammable gases (methane). 
1. Noun. A miners’ lamp or safety lamp used in coal mines to warn against methane (firedamp). ¹
¹ Source: wiktionary.com