"functional necrophilia" meaning in English

{
  "etymology_text": "From sexual mating with a corpse (ie. necrophilia), resulting in viable offspring (ie. functional).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "functional necrophilia (uncountable)",
      "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 reproductive strategy in some amphibians wherein the male will inseminate a fresh newly-dead female corpse, fertilizing the still viable eggs, and then squeezing the corpse to eject the newly fertilized eggs into the water."
      ],
      "id": "en-functional_necrophilia-en-noun-eIAlcT7L",
      "links": [
        [
          "biology",
          "biology"
        ]
      ],
      "raw_glosses": [
        "(biology) A reproductive strategy in some amphibians wherein the male will inseminate a fresh newly-dead female corpse, fertilizing the still viable eggs, and then squeezing the corpse to eject the newly fertilized eggs into the water."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "functional necrophilia"
}

{
  "etymology_text": "From sexual mating with a corpse (ie. necrophilia), resulting in viable offspring (ie. functional).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "functional necrophilia (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Biology"
      ],
      "glosses": [
        "A reproductive strategy in some amphibians wherein the male will inseminate a fresh newly-dead female corpse, fertilizing the still viable eggs, and then squeezing the corpse to eject the newly fertilized eggs into the water."
      ],
      "links": [
        [
          "biology",
          "biology"
        ]
      ],
      "raw_glosses": [
        "(biology) A reproductive strategy in some amphibians wherein the male will inseminate a fresh newly-dead female corpse, fertilizing the still viable eggs, and then squeezing the corpse to eject the newly fertilized eggs into the water."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "functional necrophilia"
}