"dirt track" meaning in English

{
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      "form": "dirt tracks",
      "tags": [
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      "expansion": "dirt track (plural dirt tracks)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "glosses": [
        "Synonym of dirt road."
      ],
      "id": "en-dirt_track-en-noun-HGhYkFos",
      "links": [
        [
          "dirt road",
          "dirt road#English"
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      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "dirt road"
        }
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    },
    {
      "glosses": [
        "A type of unpaved racetrack used for dirt track racing of cars, or similar track racing of dirtbikes."
      ],
      "id": "en-dirt_track-en-noun-r19yh3up",
      "links": [
        [
          "racetrack",
          "racetrack#English"
        ],
        [
          "dirtbikes",
          "dirtbike#English"
        ]
      ]
    }
  ],
  "wikipedia": [
    "dirt track"
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  "word": "dirt track"
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  "forms": [
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      "form": "dirt tracks",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Synonym of dirt road."
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        "A type of unpaved racetrack used for dirt track racing of cars, or similar track racing of dirtbikes."
      ],
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