"smoke-filled room" meaning in English

{
  "forms": [
    {
      "form": "smoke-filled rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "smoke-filled room"
      },
      "expansion": "smoke-filled room (plural smoke-filled rooms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "97 3",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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            "Entry maintenance"
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          "_dis": "91 9",
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        },
        {
          "_dis": "73 27",
          "kind": "topical",
          "langcode": "en",
          "name": "Rooms",
          "orig": "en:Rooms",
          "parents": [
            "Buildings and structures",
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2009, Robert McCrum, “No Tóibín, no Trevor? Yes, it's time for more Booker controversy”, in The Guardian",
          "text": "In its first decade, prize business was settled in the smoke-filled rooms of London clubs, where it remained resolutely insular.",
          "type": "quotation"
        },
        {
          "ref": "2013, Ted Cruz, “Ted Cruz Punches Back”, in National Review",
          "text": "If the forums in which we make this case consist of the smoke-filled rooms of Washington, the votes aren't there.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A place where powerful people meet to decide a matter in secret, often of a political nature."
      ],
      "id": "en-smoke-filled_room-en-noun--WqcA4Ri",
      "links": [
        [
          "powerful",
          "powerful"
        ],
        [
          "secret",
          "secret"
        ],
        [
          "political",
          "political"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) A place where powerful people meet to decide a matter in secret, often of a political nature."
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see smoke, filled, room."
      ],
      "id": "en-smoke-filled_room-en-noun-Tasbd4J2",
      "links": [
        [
          "smoke",
          "smoke#English"
        ],
        [
          "filled",
          "filled#English"
        ],
        [
          "room",
          "room#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-smoke-filled room.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d5/En-au-smoke-filled_room.ogg/En-au-smoke-filled_room.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/d5/En-au-smoke-filled_room.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "wikipedia": [
    "smoke-filled room"
  ],
  "word": "smoke-filled room"
}

{
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    "English entries with incorrect language header",
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    "en:Rooms"
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  "forms": [
    {
      "form": "smoke-filled rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "smoke-filled room"
      },
      "expansion": "smoke-filled room (plural smoke-filled rooms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English idioms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2009, Robert McCrum, “No Tóibín, no Trevor? Yes, it's time for more Booker controversy”, in The Guardian",
          "text": "In its first decade, prize business was settled in the smoke-filled rooms of London clubs, where it remained resolutely insular.",
          "type": "quotation"
        },
        {
          "ref": "2013, Ted Cruz, “Ted Cruz Punches Back”, in National Review",
          "text": "If the forums in which we make this case consist of the smoke-filled rooms of Washington, the votes aren't there.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A place where powerful people meet to decide a matter in secret, often of a political nature."
      ],
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          "powerful",
          "powerful"
        ],
        [
          "secret",
          "secret"
        ],
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        ]
      ],
      "raw_glosses": [
        "(idiomatic) A place where powerful people meet to decide a matter in secret, often of a political nature."
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see smoke, filled, room."
      ],
      "links": [
        [
          "smoke",
          "smoke#English"
        ],
        [
          "filled",
          "filled#English"
        ],
        [
          "room",
          "room#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-smoke-filled room.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d5/En-au-smoke-filled_room.ogg/En-au-smoke-filled_room.ogg.mp3",
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      "tags": [
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  "wikipedia": [
    "smoke-filled room"
  ],
  "word": "smoke-filled room"
}