"drug dog" meaning in English

{
  "forms": [
    {
      "form": "drug dogs",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {},
      "expansion": "drug dog (plural drug dogs)",
      "name": "en-noun"
    }
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  "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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          "source": "w"
        },
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          "kind": "other",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A detection dog trained to use its sense of smell to locate illicit substances, such as drugs, which may be carried on a person in their effects."
      ],
      "hypernyms": [
        {
          "word": "police dog"
        },
        {
          "word": "detection dog"
        }
      ],
      "id": "en-drug_dog-en-noun-H5NEdiY7",
      "links": [
        [
          "detection dog",
          "detection dog"
        ],
        [
          "illicit",
          "illicit"
        ],
        [
          "substance",
          "substance"
        ]
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "jīdúquǎn",
          "sense": "dog trained to locate evidence of narcotics",
          "word": "緝毒犬 /缉毒犬"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "dog trained to locate evidence of narcotics",
          "word": "huumekoira"
        },
        {
          "alt": "まやくけん",
          "code": "ja",
          "lang": "Japanese",
          "roman": "mayakuken",
          "sense": "dog trained to locate evidence of narcotics",
          "word": "麻薬犬"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "dog trained to locate evidence of narcotics",
          "tags": [
            "common-gender"
          ],
          "word": "knarkhund"
        }
      ],
      "wikipedia": [
        "Police dog"
      ]
    }
  ],
  "word": "drug dog"
}

{
  "forms": [
    {
      "form": "drug dogs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "drug dog (plural drug dogs)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "police dog"
    },
    {
      "word": "detection dog"
    }
  ],
  "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",
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        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Japanese translations",
        "Terms with Mandarin translations",
        "Terms with Swedish translations"
      ],
      "glosses": [
        "A detection dog trained to use its sense of smell to locate illicit substances, such as drugs, which may be carried on a person in their effects."
      ],
      "links": [
        [
          "detection dog",
          "detection dog"
        ],
        [
          "illicit",
          "illicit"
        ],
        [
          "substance",
          "substance"
        ]
      ],
      "wikipedia": [
        "Police dog"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "jīdúquǎn",
      "sense": "dog trained to locate evidence of narcotics",
      "word": "緝毒犬 /缉毒犬"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "dog trained to locate evidence of narcotics",
      "word": "huumekoira"
    },
    {
      "alt": "まやくけん",
      "code": "ja",
      "lang": "Japanese",
      "roman": "mayakuken",
      "sense": "dog trained to locate evidence of narcotics",
      "word": "麻薬犬"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "dog trained to locate evidence of narcotics",
      "tags": [
        "common-gender"
      ],
      "word": "knarkhund"
    }
  ],
  "word": "drug dog"
}