"Keystone Cop" meaning in English

{
  "etymology_text": "From the Keystone Cops, a group of fictional, humorously incompetent policemen featured in silent slapstick comedies produced by the Keystone Film Company (itself named for the \"Keystone State\": Pennsylvania) between 1912 and 1917.",
  "forms": [
    {
      "form": "Keystone Cops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Keystone Cop"
      },
      "expansion": "Keystone Cop (plural Keystone Cops)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2003, Colin Evans, A Question of Evidence, page 162",
          "text": "Every blunder added weight to defense depictions of the CID as a bunch of Keystone Kops bunglers, a disgrace to serious criminal investigation.",
          "type": "quotation"
        },
        {
          "ref": "2011, T. L. Carpenter, The Amerikan Dream, page 174",
          "text": "“I'm gone three days and look what happens? You two get sent out to do some spying and end up with front-row seats at a Keystone Kop shoot-out.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A bungling, incompetent policeman."
      ],
      "id": "en-Keystone_Cop-en-noun-8EufI-3D",
      "links": [
        [
          "bungling",
          "bungling"
        ],
        [
          "incompetent",
          "incompetent"
        ],
        [
          "policeman",
          "policeman"
        ]
      ],
      "raw_glosses": [
        "(informal) A bungling, incompetent policeman."
      ],
      "synonyms": [
        {
          "word": "Keystone Kop"
        }
      ],
      "tags": [
        "informal"
      ],
      "wikipedia": [
        "Keystone Cops"
      ]
    }
  ],
  "word": "Keystone Cop"
}

{
  "etymology_text": "From the Keystone Cops, a group of fictional, humorously incompetent policemen featured in silent slapstick comedies produced by the Keystone Film Company (itself named for the \"Keystone State\": Pennsylvania) between 1912 and 1917.",
  "forms": [
    {
      "form": "Keystone Cops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Keystone Cop"
      },
      "expansion": "Keystone Cop (plural Keystone Cops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2003, Colin Evans, A Question of Evidence, page 162",
          "text": "Every blunder added weight to defense depictions of the CID as a bunch of Keystone Kops bunglers, a disgrace to serious criminal investigation.",
          "type": "quotation"
        },
        {
          "ref": "2011, T. L. Carpenter, The Amerikan Dream, page 174",
          "text": "“I'm gone three days and look what happens? You two get sent out to do some spying and end up with front-row seats at a Keystone Kop shoot-out.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A bungling, incompetent policeman."
      ],
      "links": [
        [
          "bungling",
          "bungling"
        ],
        [
          "incompetent",
          "incompetent"
        ],
        [
          "policeman",
          "policeman"
        ]
      ],
      "raw_glosses": [
        "(informal) A bungling, incompetent policeman."
      ],
      "tags": [
        "informal"
      ],
      "wikipedia": [
        "Keystone Cops"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Keystone Kop"
    }
  ],
  "word": "Keystone Cop"
}