"on the cutting room floor" meaning in English

{
  "etymology_text": "From the earliest film-editing process, which involved manually removing (cutting) unwanted scenes, leaving the film scraps on the floor of the room used for editing (the cutting room).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on the cutting room floor",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on the cutting room floor",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "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"
        }
      ],
      "examples": [
        {
          "text": "The experimental broccoli ice cream flavor was left on the cutting room floor after market research.",
          "type": "example"
        }
      ],
      "glosses": [
        "Not included in the finalized version of something; deliberately rejected or unintentionally overlooked."
      ],
      "id": "en-on_the_cutting_room_floor-en-prep_phrase-c~Q0Gml5",
      "links": [
        [
          "included",
          "included"
        ],
        [
          "finalized",
          "finalized"
        ],
        [
          "version",
          "version"
        ],
        [
          "deliberately",
          "deliberately"
        ],
        [
          "rejected",
          "rejected"
        ],
        [
          "unintentionally",
          "unintentionally"
        ],
        [
          "overlooked",
          "overlooked"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Not included in the finalized version of something; deliberately rejected or unintentionally overlooked."
      ],
      "related": [
        {
          "word": "final cut"
        },
        {
          "word": "trash heap of history"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-on the cutting room floor.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/5d/En-au-on_the_cutting_room_floor.ogg/En-au-on_the_cutting_room_floor.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/5d/En-au-on_the_cutting_room_floor.ogg"
    }
  ],
  "word": "on the cutting room floor"
}

{
  "etymology_text": "From the earliest film-editing process, which involved manually removing (cutting) unwanted scenes, leaving the film scraps on the floor of the room used for editing (the cutting room).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on the cutting room floor",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on the cutting room floor",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "related": [
    {
      "word": "final cut"
    },
    {
      "word": "trash heap of history"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "The experimental broccoli ice cream flavor was left on the cutting room floor after market research.",
          "type": "example"
        }
      ],
      "glosses": [
        "Not included in the finalized version of something; deliberately rejected or unintentionally overlooked."
      ],
      "links": [
        [
          "included",
          "included"
        ],
        [
          "finalized",
          "finalized"
        ],
        [
          "version",
          "version"
        ],
        [
          "deliberately",
          "deliberately"
        ],
        [
          "rejected",
          "rejected"
        ],
        [
          "unintentionally",
          "unintentionally"
        ],
        [
          "overlooked",
          "overlooked"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Not included in the finalized version of something; deliberately rejected or unintentionally overlooked."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-on the cutting room floor.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/5d/En-au-on_the_cutting_room_floor.ogg/En-au-on_the_cutting_room_floor.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/5d/En-au-on_the_cutting_room_floor.ogg"
    }
  ],
  "word": "on the cutting room floor"
}