"single-heading" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "single-heading (uncountable)",
      "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": "2022 October 19, Tony Streeter, “A glimpse into UK rail's future: Europe's most powerful”, in RAIL, number 968, page 35:",
          "text": "The primary purpose of having such high power available is enabling the single-heading of heavy trains, which results \"in higher payload and lower traction costs\", says Stadler.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The haulage of a train by one locomotive."
      ],
      "id": "en-single-heading-en-noun-TC45TnSG",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "locomotive",
          "locomotive"
        ]
      ],
      "raw_glosses": [
        "(rail transport) The haulage of a train by one locomotive."
      ],
      "related": [
        {
          "word": "double-heading"
        },
        {
          "word": "treble-heading"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "single-heading"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "single-heading (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "double-heading"
    },
    {
      "word": "treble-heading"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "2022 October 19, Tony Streeter, “A glimpse into UK rail's future: Europe's most powerful”, in RAIL, number 968, page 35:",
          "text": "The primary purpose of having such high power available is enabling the single-heading of heavy trains, which results \"in higher payload and lower traction costs\", says Stadler.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The haulage of a train by one locomotive."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "locomotive",
          "locomotive"
        ]
      ],
      "raw_glosses": [
        "(rail transport) The haulage of a train by one locomotive."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "single-heading"
}