"brabac" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "брабац",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": ""
      },
      "expansion": "brabac m (Cyrillic spelling брабац)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "sparrow",
          "word": "vrabac"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "sh",
          "name": "True sparrows",
          "orig": "sh:True sparrows",
          "parents": [
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of vrabac (“sparrow”)."
      ],
      "id": "en-brabac-sh-noun-zE9QktPJ",
      "links": [
        [
          "vrabac",
          "vrabac#Serbo-Croatian"
        ]
      ],
      "raw_glosses": [
        "(rare) Alternative form of vrabac (“sparrow”)."
      ],
      "tags": [
        "alt-of",
        "alternative",
        "masculine",
        "rare"
      ]
    }
  ],
  "word": "brabac"
}

{
  "forms": [
    {
      "form": "брабац",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": ""
      },
      "expansion": "brabac m (Cyrillic spelling брабац)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "sparrow",
          "word": "vrabac"
        }
      ],
      "categories": [
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian masculine nouns",
        "Serbo-Croatian nouns",
        "Serbo-Croatian terms with rare senses",
        "sh:True sparrows"
      ],
      "glosses": [
        "Alternative form of vrabac (“sparrow”)."
      ],
      "links": [
        [
          "vrabac",
          "vrabac#Serbo-Croatian"
        ]
      ],
      "raw_glosses": [
        "(rare) Alternative form of vrabac (“sparrow”)."
      ],
      "tags": [
        "alt-of",
        "alternative",
        "masculine",
        "rare"
      ]
    }
  ],
  "word": "brabac"
}