"dust buster" meaning in English

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        "4": "vanquisher, overpowerer"
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      "expansion": "buster (“vanquisher, overpowerer”)",
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  "etymology_text": "A genericization of the 1979 Black & Decker Dustbuster hand-held vacuum cleaner, from dust + buster (“vanquisher, overpowerer”).",
  "forms": [
    {
      "form": "dust busters",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A hand-held vacuum cleaner"
      ],
      "id": "en-dust_buster-en-noun-~IIBIFzK",
      "links": [
        [
          "hand-held",
          "hand-held"
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        [
          "vacuum cleaner",
          "vacuum cleaner"
        ]
      ],
      "synonyms": [
        {
          "word": "minivac"
        },
        {
          "word": "dustbuster"
        }
      ],
      "wikipedia": [
        "Black & Decker",
        "Dustbuster"
      ]
    }
  ],
  "word": "dust buster"
}

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      "expansion": "buster (“vanquisher, overpowerer”)",
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  ],
  "etymology_text": "A genericization of the 1979 Black & Decker Dustbuster hand-held vacuum cleaner, from dust + buster (“vanquisher, overpowerer”).",
  "forms": [
    {
      "form": "dust busters",
      "tags": [
        "plural"
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        "A hand-held vacuum cleaner"
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          "vacuum cleaner",
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        "Dustbuster"
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  "synonyms": [
    {
      "word": "minivac"
    },
    {
      "word": "dustbuster"
    }
  ],
  "word": "dust buster"
}