"self-driving car" meaning in English

{
  "forms": [
    {
      "form": "self-driving cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "self-driving car (plural self-driving cars)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "parents": [
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Automotive",
          "orig": "en:Automotive",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An autonomous vehicle taking the form of a car."
      ],
      "id": "en-self-driving_car-en-noun-FEtNC7mg",
      "links": [
        [
          "autonomous vehicle",
          "autonomous vehicle"
        ]
      ],
      "wikipedia": [
        "self-driving car"
      ]
    }
  ],
  "word": "self-driving car"
}

{
  "forms": [
    {
      "form": "self-driving cars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "self-driving car (plural self-driving cars)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
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        "en:Automotive"
      ],
      "glosses": [
        "An autonomous vehicle taking the form of a car."
      ],
      "links": [
        [
          "autonomous vehicle",
          "autonomous vehicle"
        ]
      ],
      "wikipedia": [
        "self-driving car"
      ]
    }
  ],
  "word": "self-driving car"
}