"point heater" meaning in English

{
  "forms": [
    {
      "form": "point heaters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "point heater (plural point heaters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "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": "1963 December, “News and Comment”, in Modern Railways, pages 369, 370",
          "text": "Measures adopted by B.R. to offset the effects of another hard winter include modifications to steam heating and water pipes on main-line ordinary coaches and sleeping cars, and to diesel locomotive steam-generators, the supply of additional point heaters and the provision of larger and more effective snowploughs. [...] This winter B.R. will have 2,180 point heaters in operation, at a cost of roughly £105 a unit, compared with 766 last year, and the Board hope to install another 300 during the course of the winter.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A heating device used in freezing weather to keep points (US: switches) free of ice and snow."
      ],
      "id": "en-point_heater-en-noun-2HcOHhLV",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "points",
          "points"
        ],
        [
          "switch",
          "switch"
        ],
        [
          "ice",
          "ice"
        ],
        [
          "snow",
          "snow"
        ]
      ],
      "raw_glosses": [
        "(rail transport, UK) A heating device used in freezing weather to keep points (US: switches) free of ice and snow."
      ],
      "tags": [
        "UK"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "point heater"
}

{
  "forms": [
    {
      "form": "point heaters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "point heater (plural point heaters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "1963 December, “News and Comment”, in Modern Railways, pages 369, 370",
          "text": "Measures adopted by B.R. to offset the effects of another hard winter include modifications to steam heating and water pipes on main-line ordinary coaches and sleeping cars, and to diesel locomotive steam-generators, the supply of additional point heaters and the provision of larger and more effective snowploughs. [...] This winter B.R. will have 2,180 point heaters in operation, at a cost of roughly £105 a unit, compared with 766 last year, and the Board hope to install another 300 during the course of the winter.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A heating device used in freezing weather to keep points (US: switches) free of ice and snow."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "points",
          "points"
        ],
        [
          "switch",
          "switch"
        ],
        [
          "ice",
          "ice"
        ],
        [
          "snow",
          "snow"
        ]
      ],
      "raw_glosses": [
        "(rail transport, UK) A heating device used in freezing weather to keep points (US: switches) free of ice and snow."
      ],
      "tags": [
        "UK"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "point heater"
}