"locking room" meaning in English

{
  "forms": [
    {
      "form": "locking rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "locking room (plural locking 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": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "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"
        }
      ],
      "examples": [
        {
          "ref": "2021 October 20, Dr Joseph Brennan, “A key part of our diverse railway heritage”, in RAIL, number 942, page 53",
          "text": "Within these boxes, interlocking between points and signals was the most crucial safety aspect, with the signalman's pulling of levers further safeguarded through the equipment in the locking room (often beneath the signalman's station), which prevented conflicting movements.",
          "type": "quotation"
        },
        {
          "ref": "2021 November 3, Dr Joseph Brennan, “Boxes with functions across the centuries”, in RAIL, number 943, page 57",
          "text": "The [Arboath North Signal Box] locking room's collection of chains, pulleys and wires resembles the inside of a piano, stretching to the 72-levered frame above. Lovers of steampunk will find it especially pleasing.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A room in a signal box, usually at ground level beneath the operating room, containing the interlocking mechanism for signals and points (track switches) below the lever frame in the operating room."
      ],
      "id": "en-locking_room-en-noun-aVGJH1cU",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "signal box",
          "signal box"
        ],
        [
          "interlocking",
          "interlocking"
        ],
        [
          "lever frame",
          "lever frame"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A room in a signal box, usually at ground level beneath the operating room, containing the interlocking mechanism for signals and points (track switches) below the lever frame in the operating room."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "locking room"
}

{
  "forms": [
    {
      "form": "locking rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "locking room (plural locking 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",
        "English terms with quotations",
        "en:Rail transportation",
        "en:Rooms"
      ],
      "examples": [
        {
          "ref": "2021 October 20, Dr Joseph Brennan, “A key part of our diverse railway heritage”, in RAIL, number 942, page 53",
          "text": "Within these boxes, interlocking between points and signals was the most crucial safety aspect, with the signalman's pulling of levers further safeguarded through the equipment in the locking room (often beneath the signalman's station), which prevented conflicting movements.",
          "type": "quotation"
        },
        {
          "ref": "2021 November 3, Dr Joseph Brennan, “Boxes with functions across the centuries”, in RAIL, number 943, page 57",
          "text": "The [Arboath North Signal Box] locking room's collection of chains, pulleys and wires resembles the inside of a piano, stretching to the 72-levered frame above. Lovers of steampunk will find it especially pleasing.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A room in a signal box, usually at ground level beneath the operating room, containing the interlocking mechanism for signals and points (track switches) below the lever frame in the operating room."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "signal box",
          "signal box"
        ],
        [
          "interlocking",
          "interlocking"
        ],
        [
          "lever frame",
          "lever frame"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A room in a signal box, usually at ground level beneath the operating room, containing the interlocking mechanism for signals and points (track switches) below the lever frame in the operating room."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "locking room"
}