"contact tracer" meaning in English

{
  "forms": [
    {
      "form": "contact tracers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "contact-tracer",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "contact tracer (plural contact tracers)",
      "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": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Hungarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Coronavirus",
          "orig": "en:Coronavirus",
          "parents": [
            "Disease",
            "Health",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Epidemiology",
          "orig": "en:Epidemiology",
          "parents": [
            "Medicine",
            "Biology",
            "Healthcare",
            "Sciences",
            "Health",
            "All topics",
            "Body",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 April 7, James Tapper, “Recruit volunteer army to trace coronavirus contacts now, urge top scientists”, in The Guardian:",
          "text": "Contact tracing was used in Wuhan, where 1,800 teams of five people went house to house, and Ireland last week said it would recruit 1,400 contact tracers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person engaged in contact tracing."
      ],
      "id": "en-contact_tracer-en-noun-ewv0p22g",
      "links": [
        [
          "epidemiology",
          "epidemiology"
        ],
        [
          "contact tracing",
          "contact tracing"
        ]
      ],
      "raw_glosses": [
        "(epidemiology) A person engaged in contact tracing."
      ],
      "topics": [
        "epidemiology",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "person engaged in contact tracing",
          "word": "kontaktkutató"
        }
      ]
    }
  ],
  "word": "contact tracer"
}

{
  "forms": [
    {
      "form": "contact tracers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "contact-tracer",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "contact tracer (plural contact tracers)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Hungarian translations",
        "en:Coronavirus",
        "en:Epidemiology"
      ],
      "examples": [
        {
          "ref": "2020 April 7, James Tapper, “Recruit volunteer army to trace coronavirus contacts now, urge top scientists”, in The Guardian:",
          "text": "Contact tracing was used in Wuhan, where 1,800 teams of five people went house to house, and Ireland last week said it would recruit 1,400 contact tracers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person engaged in contact tracing."
      ],
      "links": [
        [
          "epidemiology",
          "epidemiology"
        ],
        [
          "contact tracing",
          "contact tracing"
        ]
      ],
      "raw_glosses": [
        "(epidemiology) A person engaged in contact tracing."
      ],
      "topics": [
        "epidemiology",
        "medicine",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "person engaged in contact tracing",
      "word": "kontaktkutató"
    }
  ],
  "word": "contact tracer"
}