"driving mirror" meaning in English

{
  "forms": [
    {
      "form": "driving mirrors",
      "tags": [
        "plural"
      ]
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  "head_templates": [
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      "args": {},
      "expansion": "driving mirror (plural driving mirrors)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "bold_text_offsets": [
            [
              240,
              254
            ]
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          "ref": "1954, Ian Fleming, “No Sensayuma”, in Live and Let Die, London: Pan Books, published 1957, page 82:",
          "text": "The endless street was populated only by the little ghosts of steam that wavered up out of the gratings in the asphalt that gave access to the piped heat system of the city. The ugly bonnet of the car mowed them down one by one, but in the driving-mirror Bond could see them rising again behind him in a diminishing vista of mildly gesticulating white wraiths.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A rear-view mirror."
      ],
      "id": "en-driving_mirror-en-noun-eymBhWxO",
      "links": [
        [
          "rear-view mirror",
          "rear-view mirror"
        ]
      ]
    }
  ],
  "word": "driving mirror"
}

{
  "forms": [
    {
      "form": "driving mirrors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "driving mirror (plural driving mirrors)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English lemmas",
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        "English nouns",
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        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
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        {
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            [
              240,
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          "ref": "1954, Ian Fleming, “No Sensayuma”, in Live and Let Die, London: Pan Books, published 1957, page 82:",
          "text": "The endless street was populated only by the little ghosts of steam that wavered up out of the gratings in the asphalt that gave access to the piped heat system of the city. The ugly bonnet of the car mowed them down one by one, but in the driving-mirror Bond could see them rising again behind him in a diminishing vista of mildly gesticulating white wraiths.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A rear-view mirror."
      ],
      "links": [
        [
          "rear-view mirror",
          "rear-view mirror"
        ]
      ]
    }
  ],
  "word": "driving mirror"
}