"4-6-2" meaning in English

{
  "forms": [
    {
      "form": "4-6-2s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "4-6-2 (plural 4-6-2s)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1951 April 7, Stirling Everard, “A Matter of Pedigree”, in Railway Magazine, number 600, page 272:",
          "text": "Therefore, the new standard design in fact has materialised as a 4-6-2 with two 20 in. cylinders and a boiler pressure of 250 lb. per sq. in.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, six coupled driving wheels, and a pair of trailing wheels. Also known in British English as a \"Pacific\" locomotive."
      ],
      "id": "en-4-6-2-en-noun-1lHzRU7H",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "steam locomotive",
          "steam locomotive"
        ],
        [
          "leading wheel",
          "leading wheel"
        ],
        [
          "driving wheel",
          "driving wheel"
        ],
        [
          "trailing wheel",
          "trailing wheel"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, six coupled driving wheels, and a pair of trailing wheels. Also known in British English as a \"Pacific\" locomotive."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "4-6-2"
}

{
  "forms": [
    {
      "form": "4-6-2s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "4-6-2 (plural 4-6-2s)",
      "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 spelled with numbers",
        "English terms with quotations",
        "English words without vowels",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "1951 April 7, Stirling Everard, “A Matter of Pedigree”, in Railway Magazine, number 600, page 272:",
          "text": "Therefore, the new standard design in fact has materialised as a 4-6-2 with two 20 in. cylinders and a boiler pressure of 250 lb. per sq. in.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, six coupled driving wheels, and a pair of trailing wheels. Also known in British English as a \"Pacific\" locomotive."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "steam locomotive",
          "steam locomotive"
        ],
        [
          "leading wheel",
          "leading wheel"
        ],
        [
          "driving wheel",
          "driving wheel"
        ],
        [
          "trailing wheel",
          "trailing wheel"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, six coupled driving wheels, and a pair of trailing wheels. Also known in British English as a \"Pacific\" locomotive."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "4-6-2"
}