"探知犬" meaning in Japanese

{
  "etymology_text": "From 探知(たんち, detection) + 犬(いぬ(ケン), dog)",
  "forms": [
    {
      "form": "探知犬",
      "ruby": [
        [
          "探",
          "たん"
        ],
        [
          "知",
          "ち"
        ],
        [
          "犬",
          "けん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "tanchiken",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "たんちけん"
      },
      "expansion": "探(たん)知(ち)犬(けん) • (tanchiken)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ja",
          "name": "Working dogs",
          "orig": "ja:Working dogs",
          "parents": [
            "Dogs",
            "Canids",
            "Carnivores",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "detection dog"
      ],
      "id": "en-探知犬-ja-noun-jzUUf3IC",
      "links": [
        [
          "detection dog",
          "detection dog"
        ]
      ]
    }
  ],
  "word": "探知犬"
}

{
  "etymology_text": "From 探知(たんち, detection) + 犬(いぬ(ケン), dog)",
  "forms": [
    {
      "form": "探知犬",
      "ruby": [
        [
          "探",
          "たん"
        ],
        [
          "知",
          "ち"
        ],
        [
          "犬",
          "けん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "tanchiken",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "たんちけん"
      },
      "expansion": "探(たん)知(ち)犬(けん) • (tanchiken)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "Pages with raw sortkeys",
        "ja:Working dogs"
      ],
      "glosses": [
        "detection dog"
      ],
      "links": [
        [
          "detection dog",
          "detection dog"
        ]
      ]
    }
  ],
  "word": "探知犬"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "探知犬"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "探知犬",
  "trace": ""
}