"definitive host" meaning in English

{
  "forms": [
    {
      "form": "definitive hosts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "definitive host (plural definitive hosts)",
      "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"
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          "source": "w"
        },
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        },
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          "name": "Terms with Finnish translations",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Ecology",
          "orig": "en:Ecology",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Cats are the definitive host of Toxoplasma gondii.",
          "type": "example"
        },
        {
          "ref": "2002, Jack Chernin, Parasitology, →ISBN, page 14:",
          "text": "They remain within the intermediate host until it is eaten by the definitive host.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The host in which a parasite reproduces sexually."
      ],
      "id": "en-definitive_host-en-noun-ykg4tnFq",
      "links": [
        [
          "ecology",
          "ecology"
        ],
        [
          "host",
          "host"
        ],
        [
          "parasite",
          "parasite"
        ]
      ],
      "raw_glosses": [
        "(ecology) The host in which a parasite reproduces sexually."
      ],
      "topics": [
        "biology",
        "ecology",
        "natural-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "host in which parasite reproduces",
          "word": "pääisäntä"
        }
      ]
    }
  ],
  "word": "definitive host"
}

{
  "forms": [
    {
      "form": "definitive hosts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "definitive host (plural definitive hosts)",
      "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 multiword terms",
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        "Pages with 1 entry",
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        "Terms with Finnish translations",
        "en:Ecology"
      ],
      "examples": [
        {
          "text": "Cats are the definitive host of Toxoplasma gondii.",
          "type": "example"
        },
        {
          "ref": "2002, Jack Chernin, Parasitology, →ISBN, page 14:",
          "text": "They remain within the intermediate host until it is eaten by the definitive host.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The host in which a parasite reproduces sexually."
      ],
      "links": [
        [
          "ecology",
          "ecology"
        ],
        [
          "host",
          "host"
        ],
        [
          "parasite",
          "parasite"
        ]
      ],
      "raw_glosses": [
        "(ecology) The host in which a parasite reproduces sexually."
      ],
      "topics": [
        "biology",
        "ecology",
        "natural-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "host in which parasite reproduces",
      "word": "pääisäntä"
    }
  ],
  "word": "definitive host"
}