"tripcock" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "trip",
        "3": "cock"
      },
      "expansion": "trip + cock",
      "name": "af"
    }
  ],
  "etymology_text": "From trip + cock.",
  "forms": [
    {
      "form": "tripcocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tripcock (plural tripcocks)",
      "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": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, pages 136–137",
          "text": "When a train runs onto the track, thus connecting the two rails, a short circuit is created, the current drops out and the signal switched to red. The system operates in conjunction with a lever on the tracks. If a train should pass a red light, the lever, which is called a tripcock, comes into play. The tripcock releases the air from the train's air-braking system, thus causing the brakes to come on and stopping the train.",
          "type": "quotation"
        },
        {
          "ref": "2020 July 1, Richard Clinnick, “Network News: '165' runs through points and into path of LU service”, in Rail, page 20",
          "text": "Chiltern Class 165s are fitted with tripcocks to allow them to operate on LU infrastructure between Harrow-on-the-Hill and Amersham.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A train-mounted safety device which interacts with a trackside device to stop a train automatically if it passes a signal at danger (showing a red light)."
      ],
      "id": "en-tripcock-en-noun-LCxDyb7d",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "train",
          "train"
        ],
        [
          "mounted",
          "mounted"
        ],
        [
          "safety",
          "safety"
        ],
        [
          "device",
          "device"
        ],
        [
          "interact",
          "interact"
        ],
        [
          "trackside",
          "trackside"
        ],
        [
          "automatically",
          "automatically"
        ],
        [
          "signal",
          "signal"
        ],
        [
          "danger",
          "danger"
        ],
        [
          "red",
          "red"
        ],
        [
          "light",
          "light"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A train-mounted safety device which interacts with a trackside device to stop a train automatically if it passes a signal at danger (showing a red light)."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "tripcock"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "trip",
        "3": "cock"
      },
      "expansion": "trip + cock",
      "name": "af"
    }
  ],
  "etymology_text": "From trip + cock.",
  "forms": [
    {
      "form": "tripcocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tripcock (plural tripcocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, pages 136–137",
          "text": "When a train runs onto the track, thus connecting the two rails, a short circuit is created, the current drops out and the signal switched to red. The system operates in conjunction with a lever on the tracks. If a train should pass a red light, the lever, which is called a tripcock, comes into play. The tripcock releases the air from the train's air-braking system, thus causing the brakes to come on and stopping the train.",
          "type": "quotation"
        },
        {
          "ref": "2020 July 1, Richard Clinnick, “Network News: '165' runs through points and into path of LU service”, in Rail, page 20",
          "text": "Chiltern Class 165s are fitted with tripcocks to allow them to operate on LU infrastructure between Harrow-on-the-Hill and Amersham.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A train-mounted safety device which interacts with a trackside device to stop a train automatically if it passes a signal at danger (showing a red light)."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "train",
          "train"
        ],
        [
          "mounted",
          "mounted"
        ],
        [
          "safety",
          "safety"
        ],
        [
          "device",
          "device"
        ],
        [
          "interact",
          "interact"
        ],
        [
          "trackside",
          "trackside"
        ],
        [
          "automatically",
          "automatically"
        ],
        [
          "signal",
          "signal"
        ],
        [
          "danger",
          "danger"
        ],
        [
          "red",
          "red"
        ],
        [
          "light",
          "light"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A train-mounted safety device which interacts with a trackside device to stop a train automatically if it passes a signal at danger (showing a red light)."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "tripcock"
}