"coaling stage" meaning in English

{
  "forms": [
    {
      "form": "coaling stages",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coaling stage (plural coaling stages)",
      "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": "1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 48 (photo caption)",
          "text": "Handsome 3001 gets away from the coaling stage at Mendota, Ill., in 1958 with a 16-car Illini Club excursion loaded with admirers.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "a structure, which took various forms, used to supply coal to steam locomotives."
      ],
      "id": "en-coaling_stage-en-noun-hHMn-9GP",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "coal",
          "coal"
        ],
        [
          "steam locomotive",
          "steam locomotive"
        ]
      ],
      "raw_glosses": [
        "(rail transport) a structure, which took various forms, used to supply coal to steam locomotives."
      ],
      "related": [
        {
          "word": "coaling plant"
        },
        {
          "word": "coaling tower"
        }
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "coaling stage"
}

{
  "forms": [
    {
      "form": "coaling stages",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coaling stage (plural coaling stages)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "coaling plant"
    },
    {
      "word": "coaling tower"
    }
  ],
  "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",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 48 (photo caption)",
          "text": "Handsome 3001 gets away from the coaling stage at Mendota, Ill., in 1958 with a 16-car Illini Club excursion loaded with admirers.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "a structure, which took various forms, used to supply coal to steam locomotives."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "coal",
          "coal"
        ],
        [
          "steam locomotive",
          "steam locomotive"
        ]
      ],
      "raw_glosses": [
        "(rail transport) a structure, which took various forms, used to supply coal to steam locomotives."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "coaling stage"
}