"cop car" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cop",
        "3": "car"
      },
      "expansion": "cop + car",
      "name": "com"
    }
  ],
  "etymology_text": "cop + car",
  "forms": [
    {
      "form": "cop cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cop car (plural cop cars)",
      "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": "Automobiles",
          "orig": "en:Automobiles",
          "parents": [
            "Automotive",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Law enforcement",
          "orig": "en:Law enforcement",
          "parents": [
            "Crime prevention",
            "Emergency services",
            "Law",
            "Crime",
            "Public safety",
            "Justice",
            "Criminal law",
            "Society",
            "Public administration",
            "Security",
            "All topics",
            "Government",
            "Fundamental",
            "Politics"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, Modest Mouse (lyrics and music), “Float On”, in Good News for People Who Love Bad News",
          "text": "I backed my car into a cop car the other day / Well, he just drove off, sometimes life's okay",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A police car."
      ],
      "id": "en-cop_car-en-noun-nz-pG22G",
      "links": [
        [
          "police car",
          "police car"
        ]
      ],
      "raw_glosses": [
        "(informal) A police car."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "cop car"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cop",
        "3": "car"
      },
      "expansion": "cop + car",
      "name": "com"
    }
  ],
  "etymology_text": "cop + car",
  "forms": [
    {
      "form": "cop cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cop car (plural cop cars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Automobiles",
        "en:Law enforcement"
      ],
      "examples": [
        {
          "ref": "2004, Modest Mouse (lyrics and music), “Float On”, in Good News for People Who Love Bad News",
          "text": "I backed my car into a cop car the other day / Well, he just drove off, sometimes life's okay",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A police car."
      ],
      "links": [
        [
          "police car",
          "police car"
        ]
      ],
      "raw_glosses": [
        "(informal) A police car."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "cop car"
}