"0̸" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "0̸",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "72 28",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A common variant of the digit 0, used to keep it distinct from the letter O."
      ],
      "id": "en-0̸-mul-symbol-m4Njlo85",
      "links": [
        [
          "0",
          "0#Translingual"
        ],
        [
          "O",
          "O#English"
        ]
      ]
    },
    {
      "glosses": [
        "A common hack for the empty-set symbol ∅, typeset by overstriking a 0 with a solidus ⟨◌̸⟩."
      ],
      "id": "en-0̸-mul-symbol-Ct34DXQz",
      "links": [
        [
          "∅",
          "∅#Translingual"
        ],
        [
          "◌̸",
          "◌̸#English"
        ]
      ]
    }
  ],
  "wikipedia": [
    "character variant"
  ],
  "word": "0̸"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual symbols",
    "Translingual terms spelled with ◌̸"
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "0̸",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "glosses": [
        "A common variant of the digit 0, used to keep it distinct from the letter O."
      ],
      "links": [
        [
          "0",
          "0#Translingual"
        ],
        [
          "O",
          "O#English"
        ]
      ]
    },
    {
      "glosses": [
        "A common hack for the empty-set symbol ∅, typeset by overstriking a 0 with a solidus ⟨◌̸⟩."
      ],
      "links": [
        [
          "∅",
          "∅#Translingual"
        ],
        [
          "◌̸",
          "◌̸#English"
        ]
      ]
    }
  ],
  "wikipedia": [
    "character variant"
  ],
  "word": "0̸"
}