"block device" meaning in English

{
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    {
      "form": "block devices",
      "tags": [
        "plural"
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    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "block device (plural block devices)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "name": "Computing",
          "orig": "en:Computing",
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          "source": "w"
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      "examples": [
        {
          "text": "Coordinate term: character device"
        },
        {
          "ref": "2016, Joel Reardon, Secure Data Deletion, Springer, →ISBN, page 137:",
          "text": "The network block device is a block device offered by Linux. It behaves as a normal block device that can be formatted with any block-based file system and mounted for use.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An abstraction for buffered access to hardware devices, especially storage, where data is read or written in arbitrary-sized blocks."
      ],
      "id": "en-block_device-en-noun-95sPvicx",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "abstraction",
          "abstraction"
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      ],
      "raw_glosses": [
        "(computing, Unix) An abstraction for buffered access to hardware devices, especially storage, where data is read or written in arbitrary-sized blocks."
      ],
      "tags": [
        "Unix"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
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    }
  ],
  "word": "block device"
}

{
  "forms": [
    {
      "form": "block devices",
      "tags": [
        "plural"
      ]
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  ],
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      "expansion": "block device (plural block devices)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Computing"
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      "examples": [
        {
          "text": "Coordinate term: character device"
        },
        {
          "ref": "2016, Joel Reardon, Secure Data Deletion, Springer, →ISBN, page 137:",
          "text": "The network block device is a block device offered by Linux. It behaves as a normal block device that can be formatted with any block-based file system and mounted for use.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An abstraction for buffered access to hardware devices, especially storage, where data is read or written in arbitrary-sized blocks."
      ],
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          "computing#Noun"
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        "(computing, Unix) An abstraction for buffered access to hardware devices, especially storage, where data is read or written in arbitrary-sized blocks."
      ],
      "tags": [
        "Unix"
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      "topics": [
        "computing",
        "engineering",
        "mathematics",
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  ],
  "word": "block device"
}