"railfan" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "rail",
        "3": "fan"
      },
      "expansion": "rail + fan",
      "name": "compound"
    }
  ],
  "etymology_text": "From rail + fan.",
  "forms": [
    {
      "form": "railfans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "railfan (plural railfans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "railfanning"
        }
      ],
      "examples": [
        {
          "ref": "1961, Augustus Wolfman, Photo Methods for Industry",
          "text": "A previewing railfan pointed out a mistake in the animation showing articulation.",
          "type": "quotation"
        },
        {
          "ref": "1975, Paul B Cors, Railroads",
          "text": "From my own experience, I cannot say how one becomes a railfan […]",
          "type": "quotation"
        },
        {
          "ref": "1989, M Thomas Inge, Handbook of American Popular Culture",
          "text": "A number of US and Canadian book dealers regularly channel British titles to railfan collectors […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A railway enthusiast."
      ],
      "id": "en-railfan-en-noun-UKA~6S3R",
      "links": [
        [
          "railway",
          "railway"
        ],
        [
          "enthusiast",
          "enthusiast"
        ]
      ],
      "raw_glosses": [
        "(US) A railway enthusiast."
      ],
      "synonyms": [
        {
          "word": "ferroequinologist"
        },
        {
          "tags": [
            "Australia"
          ],
          "word": "gunzel"
        },
        {
          "word": "railbuff"
        },
        {
          "word": "railwayac"
        },
        {
          "word": "railwayist"
        },
        {
          "tags": [
            "informal"
          ],
          "word": "trainiac"
        },
        {
          "word": "trainspotter"
        }
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "railfan"
}

{
  "derived": [
    {
      "word": "railfanning"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "rail",
        "3": "fan"
      },
      "expansion": "rail + fan",
      "name": "compound"
    }
  ],
  "etymology_text": "From rail + fan.",
  "forms": [
    {
      "form": "railfans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "railfan (plural railfans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English 2-syllable words",
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "en:People",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "1961, Augustus Wolfman, Photo Methods for Industry",
          "text": "A previewing railfan pointed out a mistake in the animation showing articulation.",
          "type": "quotation"
        },
        {
          "ref": "1975, Paul B Cors, Railroads",
          "text": "From my own experience, I cannot say how one becomes a railfan […]",
          "type": "quotation"
        },
        {
          "ref": "1989, M Thomas Inge, Handbook of American Popular Culture",
          "text": "A number of US and Canadian book dealers regularly channel British titles to railfan collectors […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A railway enthusiast."
      ],
      "links": [
        [
          "railway",
          "railway"
        ],
        [
          "enthusiast",
          "enthusiast"
        ]
      ],
      "raw_glosses": [
        "(US) A railway enthusiast."
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ferroequinologist"
    },
    {
      "tags": [
        "Australia"
      ],
      "word": "gunzel"
    },
    {
      "word": "railbuff"
    },
    {
      "word": "railwayac"
    },
    {
      "word": "railwayist"
    },
    {
      "tags": [
        "informal"
      ],
      "word": "trainiac"
    },
    {
      "word": "trainspotter"
    }
  ],
  "word": "railfan"
}