"Salvavita" meaning in Italian

{
  "etymology_text": "From salvavita (literally “life-saver”).",
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "Salvavita m",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian proper nouns with irregular gender",
          "parents": [
            "Proper nouns with irregular gender",
            "Nouns with irregular gender",
            "Irregular proper nouns",
            "Irregular nouns",
            "Proper nouns",
            "Proper nouns by inflection type",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian trademarks",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "salvavita"
        }
      ],
      "glosses": [
        "trademark of BTicino for residual-current devices"
      ],
      "id": "en-Salvavita-it-name-iNjd50VW",
      "links": [
        [
          "residual-current device",
          "residual-current device"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "Salvavita"
}

{
  "derived": [
    {
      "word": "salvavita"
    }
  ],
  "etymology_text": "From salvavita (literally “life-saver”).",
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "Salvavita m",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian proper nouns",
        "Italian proper nouns with irregular gender",
        "Italian trademarks"
      ],
      "glosses": [
        "trademark of BTicino for residual-current devices"
      ],
      "links": [
        [
          "residual-current device",
          "residual-current device"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "Salvavita"
}