"clasp brake" meaning in English

{
  "forms": [
    {
      "form": "clasp brakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "clasp brake (plural clasp brakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              35,
              47
            ]
          ],
          "ref": "1960 April 7, “Type \"3\" Diesel-Electric Locomotives for the Southern Region”, in Railway Magazine, page 239:",
          "text": "The bogies have orthodox equalised clasp brakes with a separate brake cylinder for each wheel.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of brake that presses a cast-iron block against the tyre of a railway wheel when activated; they can be on opposite sides of a wheel (when viewed from the side)."
      ],
      "id": "en-clasp_brake-en-noun-WoaP5Sfr",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "cast-iron",
          "cast-iron"
        ],
        [
          "block",
          "block"
        ],
        [
          "tyre",
          "tyre"
        ],
        [
          "wheel",
          "wheel"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A type of brake that presses a cast-iron block against the tyre of a railway wheel when activated; they can be on opposite sides of a wheel (when viewed from the side)."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "clasp brake"
}

{
  "forms": [
    {
      "form": "clasp brakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "clasp brake (plural clasp brakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              35,
              47
            ]
          ],
          "ref": "1960 April 7, “Type \"3\" Diesel-Electric Locomotives for the Southern Region”, in Railway Magazine, page 239:",
          "text": "The bogies have orthodox equalised clasp brakes with a separate brake cylinder for each wheel.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of brake that presses a cast-iron block against the tyre of a railway wheel when activated; they can be on opposite sides of a wheel (when viewed from the side)."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "cast-iron",
          "cast-iron"
        ],
        [
          "block",
          "block"
        ],
        [
          "tyre",
          "tyre"
        ],
        [
          "wheel",
          "wheel"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A type of brake that presses a cast-iron block against the tyre of a railway wheel when activated; they can be on opposite sides of a wheel (when viewed from the side)."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "clasp brake"
}