"reporting mark" meaning in English

{
  "forms": [
    {
      "form": "reporting marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reporting mark (plural reporting marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Canadian English",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        }
      ],
      "glosses": [
        "A code of up to four letters allocated to and used by railroads and other owners of rolling stock for identification purposes, shown on each rail vehicle in combination with an individual number for the vehicle."
      ],
      "id": "en-reporting_mark-en-noun-uOcjI~8B",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "rolling stock",
          "rolling stock"
        ]
      ],
      "raw_glosses": [
        "(rail transport, US, Canada) A code of up to four letters allocated to and used by railroads and other owners of rolling stock for identification purposes, shown on each rail vehicle in combination with an individual number for the vehicle."
      ],
      "tags": [
        "Canada",
        "US"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "reporting mark"
}

{
  "forms": [
    {
      "form": "reporting marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reporting mark (plural reporting marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "Canadian English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "glosses": [
        "A code of up to four letters allocated to and used by railroads and other owners of rolling stock for identification purposes, shown on each rail vehicle in combination with an individual number for the vehicle."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "rolling stock",
          "rolling stock"
        ]
      ],
      "raw_glosses": [
        "(rail transport, US, Canada) A code of up to four letters allocated to and used by railroads and other owners of rolling stock for identification purposes, shown on each rail vehicle in combination with an individual number for the vehicle."
      ],
      "tags": [
        "Canada",
        "US"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "reporting mark"
}