"detector van" meaning in English

{
  "forms": [
    {
      "form": "detector vans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "detector van (plural detector vans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A vehicle equipped with electronic instrumentation that can detect the oscillator of a domestic television, used by the licensing authority to check that a household with no TV licence does not have a television receiver"
      ],
      "id": "en-detector_van-en-noun-QsKRAgxI",
      "links": [
        [
          "electronic",
          "electronic"
        ],
        [
          "instrumentation",
          "instrumentation"
        ],
        [
          "oscillator",
          "oscillator"
        ],
        [
          "domestic",
          "domestic"
        ],
        [
          "television",
          "television"
        ],
        [
          "licensing",
          "licensing"
        ]
      ],
      "raw_glosses": [
        "(British) A vehicle equipped with electronic instrumentation that can detect the oscillator of a domestic television, used by the licensing authority to check that a household with no TV licence does not have a television receiver"
      ],
      "synonyms": [
        {
          "word": "television detector van"
        },
        {
          "word": "TV detector van"
        }
      ],
      "tags": [
        "British"
      ]
    }
  ],
  "word": "detector van"
}

{
  "forms": [
    {
      "form": "detector vans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "detector van (plural detector vans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A vehicle equipped with electronic instrumentation that can detect the oscillator of a domestic television, used by the licensing authority to check that a household with no TV licence does not have a television receiver"
      ],
      "links": [
        [
          "electronic",
          "electronic"
        ],
        [
          "instrumentation",
          "instrumentation"
        ],
        [
          "oscillator",
          "oscillator"
        ],
        [
          "domestic",
          "domestic"
        ],
        [
          "television",
          "television"
        ],
        [
          "licensing",
          "licensing"
        ]
      ],
      "raw_glosses": [
        "(British) A vehicle equipped with electronic instrumentation that can detect the oscillator of a domestic television, used by the licensing authority to check that a household with no TV licence does not have a television receiver"
      ],
      "tags": [
        "British"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "television detector van"
    },
    {
      "word": "TV detector van"
    }
  ],
  "word": "detector van"
}