"◌̆" meaning in Romanian

{
  "lang": "Romanian",
  "lang_code": "ro",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Romanian 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": "Romanian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Romanian terms in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Romanian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called căciulă (“fur hat”) in Romanian, and found on Ă/ă."
      ],
      "id": "en-◌̆-ro-character-tTPJKAtG",
      "links": [
        [
          "diacritical mark",
          "diacritical mark"
        ],
        [
          "căciulă",
          "căciulă#Romanian"
        ],
        [
          "Ă",
          "Ă#Romanian"
        ],
        [
          "ă",
          "ă#Romanian"
        ]
      ],
      "tags": [
        "diacritic"
      ],
      "wikipedia": [
        "breve"
      ]
    }
  ],
  "word": "◌̆"
}

{
  "lang": "Romanian",
  "lang_code": "ro",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "Pages with 5 entries",
        "Pages with entries",
        "Romanian diacritical marks",
        "Romanian entries with incorrect language header",
        "Romanian lemmas",
        "Romanian terms in nonstandard scripts",
        "Romanian terms with redundant script codes"
      ],
      "glosses": [
        "A diacritical mark of the Latin script, called căciulă (“fur hat”) in Romanian, and found on Ă/ă."
      ],
      "links": [
        [
          "diacritical mark",
          "diacritical mark"
        ],
        [
          "căciulă",
          "căciulă#Romanian"
        ],
        [
          "Ă",
          "Ă#Romanian"
        ],
        [
          "ă",
          "ă#Romanian"
        ]
      ],
      "tags": [
        "diacritic"
      ],
      "wikipedia": [
        "breve"
      ]
    }
  ],
  "word": "◌̆"
}