"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"
          ],
          "source": "w"
        },
        {
          "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, page 14",
          "text": "They remain within the intermediate host until it is eaten by the definitive host.",
          "type": "quotation"
        }
      ],
      "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",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English terms with usage examples",
        "Entries using missing taxonomic name (species)",
        "en:Ecology"
      ],
      "examples": [
        {
          "text": "Cats are the definitive host of Toxoplasma gondii.",
          "type": "example"
        },
        {
          "ref": "2002, Jack Chernin, Parasitology, page 14",
          "text": "They remain within the intermediate host until it is eaten by the definitive host.",
          "type": "quotation"
        }
      ],
      "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"
}