"◌̃" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "diacritical mark"
      },
      "expansion": "◌̃",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Spanish diacritical marks",
          "parents": [
            "Diacritical marks",
            "Letters, symbols, and punctuation",
            "Symbols",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called virgulilla (“tilde”) in Spanish, and found on Ñ/ñ."
      ],
      "id": "en-◌̃-es-character-tnaVvK-H",
      "links": [
        [
          "diacritical mark",
          "diacritical mark"
        ],
        [
          "virgulilla",
          "virgulilla#Spanish"
        ],
        [
          "Ñ",
          "Ñ#Spanish"
        ],
        [
          "ñ",
          "ñ#Spanish"
        ]
      ],
      "tags": [
        "diacritic"
      ]
    }
  ],
  "word": "◌̃"
}

{
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "diacritical mark"
      },
      "expansion": "◌̃",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Spanish diacritical marks",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish terms in nonstandard scripts",
        "Spanish terms with redundant script codes"
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called virgulilla (“tilde”) in Spanish, and found on Ñ/ñ."
      ],
      "links": [
        [
          "diacritical mark",
          "diacritical mark"
        ],
        [
          "virgulilla",
          "virgulilla#Spanish"
        ],
        [
          "Ñ",
          "Ñ#Spanish"
        ],
        [
          "ñ",
          "ñ#Spanish"
        ]
      ],
      "tags": [
        "diacritic"
      ]
    }
  ],
  "word": "◌̃"
}