"cutting room" meaning in English

{
  "forms": [
    {
      "form": "cutting rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cutting room (plural cutting rooms)",
      "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": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Film genres",
          "orig": "en:Film genres",
          "parents": [
            "Film",
            "Genres",
            "Entertainment",
            "Mass media",
            "Culture",
            "Media",
            "Society",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "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"
        }
      ],
      "derived": [
        {
          "word": "on the cutting room floor"
        }
      ],
      "glosses": [
        "A room in which a film is edited to its final form."
      ],
      "id": "en-cutting_room-en-noun-sLE062MI",
      "links": [
        [
          "film",
          "film#Noun"
        ],
        [
          "film",
          "film"
        ],
        [
          "edit",
          "edit"
        ]
      ],
      "raw_glosses": [
        "(film) A room in which a film is edited to its final form."
      ],
      "topics": [
        "broadcasting",
        "film",
        "media",
        "television"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "room for film editing",
          "tags": [
            "feminine"
          ],
          "word": "salle de montage"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "room for film editing",
          "word": "vágószoba"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "montážnaja",
          "sense": "room for film editing",
          "tags": [
            "feminine"
          ],
          "word": "монта́жная"
        },
        {
          "code": "gd",
          "lang": "Scottish Gaelic",
          "sense": "room for film editing",
          "tags": [
            "masculine"
          ],
          "word": "seòmar-deasachaidh"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "room for film editing",
          "tags": [
            "neuter"
          ],
          "word": "klipprum"
        }
      ]
    }
  ],
  "word": "cutting room"
}

{
  "derived": [
    {
      "word": "on the cutting room floor"
    }
  ],
  "forms": [
    {
      "form": "cutting rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cutting room (plural cutting rooms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Film genres",
        "en:Rooms"
      ],
      "glosses": [
        "A room in which a film is edited to its final form."
      ],
      "links": [
        [
          "film",
          "film#Noun"
        ],
        [
          "film",
          "film"
        ],
        [
          "edit",
          "edit"
        ]
      ],
      "raw_glosses": [
        "(film) A room in which a film is edited to its final form."
      ],
      "topics": [
        "broadcasting",
        "film",
        "media",
        "television"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "room for film editing",
      "tags": [
        "feminine"
      ],
      "word": "salle de montage"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "room for film editing",
      "word": "vágószoba"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "montážnaja",
      "sense": "room for film editing",
      "tags": [
        "feminine"
      ],
      "word": "монта́жная"
    },
    {
      "code": "gd",
      "lang": "Scottish Gaelic",
      "sense": "room for film editing",
      "tags": [
        "masculine"
      ],
      "word": "seòmar-deasachaidh"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "room for film editing",
      "tags": [
        "neuter"
      ],
      "word": "klipprum"
    }
  ],
  "word": "cutting room"
}