"sprint car" meaning in English

{
  "forms": [
    {
      "form": "sprint cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sprint car (plural sprint cars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "61 39",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A class of race car, above midget car and below outlaw car, of open-wheel closed-cockpit racing."
      ],
      "hypernyms": [
        {
          "_dis1": "60 40",
          "word": "racecar"
        }
      ],
      "id": "en-sprint_car-en-noun-RoKTC6P-",
      "links": [
        [
          "midget car",
          "midget car"
        ],
        [
          "outlaw car",
          "outlaw car"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "60 40",
          "english": "former name, when the class was first introduced, used in the 1930s",
          "word": "big car"
        }
      ]
    },
    {
      "glosses": [
        "A car in the race car class."
      ],
      "id": "en-sprint_car-en-noun-cGJ9TL86"
    }
  ],
  "wikipedia": [
    "en:sprint car"
  ],
  "word": "sprint car"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "sprint cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sprint car (plural sprint cars)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "racecar"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A class of race car, above midget car and below outlaw car, of open-wheel closed-cockpit racing."
      ],
      "links": [
        [
          "midget car",
          "midget car"
        ],
        [
          "outlaw car",
          "outlaw car"
        ]
      ]
    },
    {
      "glosses": [
        "A car in the race car class."
      ]
    }
  ],
  "synonyms": [
    {
      "english": "former name, when the class was first introduced, used in the 1930s",
      "word": "big car"
    }
  ],
  "wikipedia": [
    "en:sprint car"
  ],
  "word": "sprint car"
}