"light organ" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "light",
        "3": "organ",
        "pos1": "noun",
        "pos2": "noun"
      },
      "expansion": "light (noun) + organ (noun)",
      "name": "affix"
    }
  ],
  "etymology_text": "From light (noun) + organ (noun).",
  "forms": [
    {
      "form": "light organs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "light organ (plural light organs)",
      "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": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A luminous organ of an animal."
      ],
      "id": "en-light_organ-en-noun-tl-h4b8s",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "luminous",
          "luminous"
        ],
        [
          "animal",
          "animal"
        ]
      ],
      "raw_glosses": [
        "(biology) A luminous organ of an animal."
      ],
      "related": [
        {
          "word": "photogenic"
        }
      ],
      "synonyms": [
        {
          "english": "of marine animals",
          "word": "photophore"
        }
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "lītʹôr'găn"
    }
  ],
  "word": "light organ"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "light",
        "3": "organ",
        "pos1": "noun",
        "pos2": "noun"
      },
      "expansion": "light (noun) + organ (noun)",
      "name": "affix"
    }
  ],
  "etymology_text": "From light (noun) + organ (noun).",
  "forms": [
    {
      "form": "light organs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "light organ (plural light organs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "photogenic"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Biology"
      ],
      "glosses": [
        "A luminous organ of an animal."
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "luminous",
          "luminous"
        ],
        [
          "animal",
          "animal"
        ]
      ],
      "raw_glosses": [
        "(biology) A luminous organ of an animal."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "lītʹôr'găn"
    }
  ],
  "synonyms": [
    {
      "english": "of marine animals",
      "word": "photophore"
    }
  ],
  "word": "light organ"
}