"passenger mile" meaning in English

{
  "forms": [
    {
      "form": "passenger miles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "passenger mile (plural passenger miles)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: ton-mile"
        },
        {
          "ref": "2019 October, Roger Ford, “Class 365 fleet state-owned”, in Modern Railways, page 34:",
          "text": "Remember, in 1993 BR was fighting its way through a recession which would see passenger miles fall to the lowest level since Bob Reid launched the business-led railway.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A basic unit used by transport companies for calculating profit levels etc. It is calculated by multiplying total distance travelled in a given period by the number of passengers."
      ],
      "id": "en-passenger_mile-en-noun-rX8yxdSg",
      "links": [
        [
          "transport",
          "transport"
        ],
        [
          "multiplying",
          "multiplying"
        ],
        [
          "distance",
          "distance"
        ],
        [
          "passenger",
          "passenger"
        ]
      ],
      "related": [
        {
          "word": "passenger mileage"
        },
        {
          "word": "passenger kilometer"
        }
      ],
      "synonyms": [
        {
          "word": "passenger-mile"
        }
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "unit",
          "tags": [
            "feminine"
          ],
          "word": "millas-pasajero"
        }
      ]
    }
  ],
  "word": "passenger mile"
}

{
  "forms": [
    {
      "form": "passenger miles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "passenger mile (plural passenger miles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "passenger mileage"
    },
    {
      "word": "passenger kilometer"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Spanish translations"
      ],
      "examples": [
        {
          "text": "Coordinate term: ton-mile"
        },
        {
          "ref": "2019 October, Roger Ford, “Class 365 fleet state-owned”, in Modern Railways, page 34:",
          "text": "Remember, in 1993 BR was fighting its way through a recession which would see passenger miles fall to the lowest level since Bob Reid launched the business-led railway.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A basic unit used by transport companies for calculating profit levels etc. It is calculated by multiplying total distance travelled in a given period by the number of passengers."
      ],
      "links": [
        [
          "transport",
          "transport"
        ],
        [
          "multiplying",
          "multiplying"
        ],
        [
          "distance",
          "distance"
        ],
        [
          "passenger",
          "passenger"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "passenger-mile"
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "unit",
      "tags": [
        "feminine"
      ],
      "word": "millas-pasajero"
    }
  ],
  "word": "passenger mile"
}