"xzero" meaning in Venetian

{
  "head_templates": [
    {
      "args": {
        "1": "vec",
        "2": "numeral"
      },
      "expansion": "xzero",
      "name": "head"
    }
  ],
  "lang": "Venetian",
  "lang_code": "vec",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Venetian cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Venetian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "zero"
      ],
      "id": "en-xzero-vec-num--RlOc~np",
      "links": [
        [
          "zero",
          "zero"
        ]
      ]
    }
  ],
  "word": "xzero"
}

{
  "head_templates": [
    {
      "args": {
        "1": "vec",
        "2": "numeral"
      },
      "expansion": "xzero",
      "name": "head"
    }
  ],
  "lang": "Venetian",
  "lang_code": "vec",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Venetian cardinal numbers",
        "Venetian entries with incorrect language header",
        "Venetian lemmas",
        "Venetian numerals"
      ],
      "glosses": [
        "zero"
      ],
      "links": [
        [
          "zero",
          "zero"
        ]
      ]
    }
  ],
  "word": "xzero"
}