"luna cornea" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "cornea",
        "4": "",
        "5": "horn"
      },
      "expansion": "Latin cornea (“horn”)",
      "name": "uder"
    }
  ],
  "etymology_text": "See Luna (“silver in alchemy”), and Latin cornea (“horn”), which it resembles.",
  "head_templates": [
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      "expansion": "luna cornea (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "English entries with incorrect language header",
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          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
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          "source": "w"
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      ],
      "glosses": [
        "horn silver, or fused silver chloride, a tough, brown, translucent mass"
      ],
      "id": "en-luna_cornea-en-noun-jCKmWRC~",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "horn silver",
          "horn silver"
        ]
      ],
      "raw_glosses": [
        "(chemistry, obsolete) horn silver, or fused silver chloride, a tough, brown, translucent mass"
      ],
      "tags": [
        "obsolete",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "luna cornea"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "cornea",
        "4": "",
        "5": "horn"
      },
      "expansion": "Latin cornea (“horn”)",
      "name": "uder"
    }
  ],
  "etymology_text": "See Luna (“silver in alchemy”), and Latin cornea (“horn”), which it resembles.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "luna cornea (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "en:Chemistry"
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      "glosses": [
        "horn silver, or fused silver chloride, a tough, brown, translucent mass"
      ],
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          "chemistry",
          "chemistry"
        ],
        [
          "horn silver",
          "horn silver"
        ]
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        "(chemistry, obsolete) horn silver, or fused silver chloride, a tough, brown, translucent mass"
      ],
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        "obsolete",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "luna cornea"
}