"pie car" meaning in English

{
  "forms": [
    {
      "form": "pie cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pie car (plural pie cars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "private car"
        }
      ],
      "examples": [
        {
          "text": "Near-synonyms: dining car, diner, restaurant car, club car, buffet car, refreshment car"
        }
      ],
      "glosses": [
        "A car on circus trains where food and beverages were formerly supplied to performers."
      ],
      "hypernyms": [
        {
          "word": "railroad car"
        },
        {
          "word": "railcar"
        },
        {
          "word": "car"
        },
        {
          "word": "carriage"
        },
        {
          "word": "rolling stock"
        },
        {
          "word": "vehicle"
        }
      ],
      "id": "en-pie_car-en-noun-en:railroad_car_for_food_for_circus_performers",
      "links": [
        [
          "circus",
          "circus"
        ]
      ],
      "senseid": [
        "en:railroad car for food for circus performers"
      ],
      "synonyms": [
        {
          "word": "dining car"
        },
        {
          "word": "diner"
        },
        {
          "word": "restaurant car"
        },
        {
          "word": "club car"
        },
        {
          "word": "buffet car"
        },
        {
          "word": "refreshment car"
        }
      ]
    }
  ],
  "word": "pie car"
}

{
  "forms": [
    {
      "form": "pie cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pie car (plural pie cars)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "coordinate_terms": [
        {
          "word": "private car"
        }
      ],
      "examples": [
        {
          "text": "Near-synonyms: dining car, diner, restaurant car, club car, buffet car, refreshment car"
        }
      ],
      "glosses": [
        "A car on circus trains where food and beverages were formerly supplied to performers."
      ],
      "hypernyms": [
        {
          "word": "railroad car"
        },
        {
          "word": "railcar"
        },
        {
          "word": "car"
        },
        {
          "word": "carriage"
        },
        {
          "word": "rolling stock"
        },
        {
          "word": "vehicle"
        }
      ],
      "links": [
        [
          "circus",
          "circus"
        ]
      ],
      "senseid": [
        "en:railroad car for food for circus performers"
      ],
      "synonyms": [
        {
          "word": "dining car"
        },
        {
          "word": "diner"
        },
        {
          "word": "restaurant car"
        },
        {
          "word": "club car"
        },
        {
          "word": "buffet car"
        },
        {
          "word": "refreshment car"
        }
      ]
    }
  ],
  "word": "pie car"
}