"railway buff" meaning in English

{
  "forms": [
    {
      "form": "railway buffs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "railway buff (plural railway buffs)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2024 September 4, Vitali Vitaliev, “A salute to Ukraine's 'Second Army'”, in RAIL, number 1017, page 46:",
          "text": "As a schoolboy in the Soviet Ukraine's second largest city of Kharkiv, (it was then spelled Kharkov in line with the all-permeating 'Russification'), I was a railway buff.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of railbuff."
      ],
      "id": "en-railway_buff-en-noun-MNJ1FM64",
      "links": [
        [
          "railbuff",
          "railbuff#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "railbuff"
        }
      ]
    }
  ],
  "word": "railway buff"
}

{
  "forms": [
    {
      "form": "railway buffs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "railway buff (plural railway buffs)",
      "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"
      ],
      "examples": [
        {
          "ref": "2024 September 4, Vitali Vitaliev, “A salute to Ukraine's 'Second Army'”, in RAIL, number 1017, page 46:",
          "text": "As a schoolboy in the Soviet Ukraine's second largest city of Kharkiv, (it was then spelled Kharkov in line with the all-permeating 'Russification'), I was a railway buff.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of railbuff."
      ],
      "links": [
        [
          "railbuff",
          "railbuff#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "railbuff"
        }
      ]
    }
  ],
  "word": "railway buff"
}