"rail-motor" meaning in English

{
  "forms": [
    {
      "form": "rail-motors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rail-motor (plural rail-motors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "railmotor"
        }
      ],
      "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": "1960 May, R. C. Riley, “The coastal branches of South-East Devon: Part One”, in Trains Illustrated, page 292",
          "text": "There was a time when the Adams 0-4-4 tanks then working the Exmouth branch were supplemented by steam rail-motors. [...] As built they were under-boilered, but as a result of the experience gained from them fifteen more steam rail-motors had been put into service by 1906.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of railmotor"
      ],
      "id": "en-rail-motor-en-noun-i3JgIZSS",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "railmotor",
          "railmotor#English"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Alternative form of railmotor"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "rail-motor"
}

{
  "forms": [
    {
      "form": "rail-motors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rail-motor (plural rail-motors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "railmotor"
        }
      ],
      "categories": [
        "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": "1960 May, R. C. Riley, “The coastal branches of South-East Devon: Part One”, in Trains Illustrated, page 292",
          "text": "There was a time when the Adams 0-4-4 tanks then working the Exmouth branch were supplemented by steam rail-motors. [...] As built they were under-boilered, but as a result of the experience gained from them fifteen more steam rail-motors had been put into service by 1906.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of railmotor"
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "railmotor",
          "railmotor#English"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Alternative form of railmotor"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "rail-motor"
}