"fermeture éclair" meaning in French

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  "etymology_text": "Calque of English lightning fastener, a trademark. Genericized trademark.",
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      "form": "fermetures éclair",
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  "pos": "noun",
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        "zip fastener"
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        {
          "word": "tirette"
        },
        {
          "word": "fermeture Éclair"
        }
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      "ipa": "/fɛʁ.mə.ty.ʁ‿e.klɛʁ/"
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  "word": "fermeture éclair"
}

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  ],
  "etymology_text": "Calque of English lightning fastener, a trademark. Genericized trademark.",
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  "synonyms": [
    {
      "word": "fermeture Éclair"
    }
  ],
  "word": "fermeture éclair"
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