"kill switch" meaning in English

{
  "forms": [
    {
      "form": "kill switches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "kill switch (plural kill switches)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2022 July 11, Paris Marx, “The Uber Leak Exposes the Global War on Workers”, in Tribune",
          "text": "The company developed a ‘kill switch’ that would remotely encrypt its computers and devices if an office was raided by authorities.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A security measure used to switch off a device in an emergency."
      ],
      "id": "en-kill_switch-en-noun-OZPFSivt",
      "links": [
        [
          "security",
          "security"
        ],
        [
          "measure",
          "measure"
        ],
        [
          "switch off",
          "switch off"
        ],
        [
          "device",
          "device"
        ],
        [
          "emergency",
          "emergency"
        ]
      ],
      "related": [
        {
          "word": "big red button"
        },
        {
          "word": "dead man's switch"
        }
      ],
      "synonyms": [
        {
          "word": "killswitch"
        }
      ],
      "wikipedia": [
        "kill switch"
      ]
    }
  ],
  "word": "kill switch"
}

{
  "forms": [
    {
      "form": "kill switches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "kill switch (plural kill switches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "big red button"
    },
    {
      "word": "dead man's switch"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "ref": "2022 July 11, Paris Marx, “The Uber Leak Exposes the Global War on Workers”, in Tribune",
          "text": "The company developed a ‘kill switch’ that would remotely encrypt its computers and devices if an office was raided by authorities.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A security measure used to switch off a device in an emergency."
      ],
      "links": [
        [
          "security",
          "security"
        ],
        [
          "measure",
          "measure"
        ],
        [
          "switch off",
          "switch off"
        ],
        [
          "device",
          "device"
        ],
        [
          "emergency",
          "emergency"
        ]
      ],
      "wikipedia": [
        "kill switch"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "killswitch"
    }
  ],
  "word": "kill switch"
}