"PDU" meaning in Inglese

{
  "categories": [
    {
      "kind": "other",
      "name": "Acronimi in inglese",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Parole in inglese",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Inglese",
  "lang_code": "en",
  "pos": "abbrev",
  "pos_title": "Acronimo / Abbreviazione",
  "senses": [
    {
      "glosses": [
        "Protocol Data Unit"
      ],
      "id": "it-PDU-en-abbrev-bBL46Xcn"
    },
    {
      "glosses": [
        "Protocol Description Unit"
      ],
      "id": "it-PDU-en-abbrev-VTJTXh33"
    },
    {
      "glosses": [
        "Packet Data Unit"
      ],
      "id": "it-PDU-en-abbrev-XlVNlMUz"
    }
  ],
  "tags": [
    "abbreviation"
  ],
  "word": "PDU"
}

{
  "categories": [
    "Acronimi in inglese",
    "Parole in inglese"
  ],
  "lang": "Inglese",
  "lang_code": "en",
  "pos": "abbrev",
  "pos_title": "Acronimo / Abbreviazione",
  "senses": [
    {
      "glosses": [
        "Protocol Data Unit"
      ]
    },
    {
      "glosses": [
        "Protocol Description Unit"
      ]
    },
    {
      "glosses": [
        "Packet Data Unit"
      ]
    }
  ],
  "tags": [
    "abbreviation"
  ],
  "word": "PDU"
}