"uniproprietario" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "uni",
        "3": "proprietario"
      },
      "expansion": "uni- + proprietario",
      "name": "prefix"
    }
  ],
  "etymology_text": "From uni- + proprietario.",
  "head_templates": [
    {
      "args": {
        "inv": "1"
      },
      "expansion": "uniproprietario (invariable)",
      "name": "it-adj"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adj",
  "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 terms prefixed with uni-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "having had only one previous owner (of an item for sale)"
      ],
      "id": "en-uniproprietario-it-adj-5q3Ed9iA",
      "links": [
        [
          "one",
          "one"
        ],
        [
          "owner",
          "owner"
        ]
      ],
      "tags": [
        "invariable"
      ]
    }
  ],
  "word": "uniproprietario"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "uni",
        "3": "proprietario"
      },
      "expansion": "uni- + proprietario",
      "name": "prefix"
    }
  ],
  "etymology_text": "From uni- + proprietario.",
  "head_templates": [
    {
      "args": {
        "inv": "1"
      },
      "expansion": "uniproprietario (invariable)",
      "name": "it-adj"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Italian adjectives",
        "Italian entries with incorrect language header",
        "Italian indeclinable adjectives",
        "Italian lemmas",
        "Italian terms prefixed with uni-",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "having had only one previous owner (of an item for sale)"
      ],
      "links": [
        [
          "one",
          "one"
        ],
        [
          "owner",
          "owner"
        ]
      ],
      "tags": [
        "invariable"
      ]
    }
  ],
  "word": "uniproprietario"
}