"cold open" meaning in English

{
  "antonyms": [
    {
      "word": "tag"
    }
  ],
  "forms": [
    {
      "form": "cold opens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cold open (plural cold opens)",
      "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": "Television",
          "orig": "en:Television",
          "parents": [
            "Broadcasting",
            "Mass media",
            "Media",
            "Telecommunications",
            "Culture",
            "Communication",
            "Technology",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, James Mendrinos, The Complete Idiot's Guide to Comedy Writing",
          "text": "The best way to find out how the series you're writing for uses teasers or cold opens is to get your hands on a script.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An opening segment shown before the opening credits."
      ],
      "id": "en-cold_open-en-noun-LulucXjC",
      "links": [
        [
          "television",
          "television"
        ],
        [
          "opening",
          "opening"
        ],
        [
          "credits",
          "credits"
        ]
      ],
      "raw_glosses": [
        "(television) An opening segment shown before the opening credits."
      ],
      "related": [
        {
          "word": "in medias res"
        }
      ],
      "topics": [
        "broadcasting",
        "media",
        "television"
      ],
      "wikipedia": [
        "cold open"
      ]
    }
  ],
  "word": "cold open"
}

{
  "antonyms": [
    {
      "word": "tag"
    }
  ],
  "forms": [
    {
      "form": "cold opens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cold open (plural cold opens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "in medias res"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Television"
      ],
      "examples": [
        {
          "ref": "2004, James Mendrinos, The Complete Idiot's Guide to Comedy Writing",
          "text": "The best way to find out how the series you're writing for uses teasers or cold opens is to get your hands on a script.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An opening segment shown before the opening credits."
      ],
      "links": [
        [
          "television",
          "television"
        ],
        [
          "opening",
          "opening"
        ],
        [
          "credits",
          "credits"
        ]
      ],
      "raw_glosses": [
        "(television) An opening segment shown before the opening credits."
      ],
      "topics": [
        "broadcasting",
        "media",
        "television"
      ],
      "wikipedia": [
        "cold open"
      ]
    }
  ],
  "word": "cold open"
}