"ὄρνις" meaning in Grego Antigo

{
  "categories": [
    {
      "kind": "other",
      "name": "!Entrada (Grego Antigo)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substantivo (Grego Antigo)",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Grego Antigo",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Substantivo",
  "raw_tags": [
    "comum aos dois gêneros"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Zoologia (Grego Antigo)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ave"
      ],
      "id": "pt-ὄρνις-grc-noun-xV0bBcjp",
      "topics": [
        "zoology"
      ]
    }
  ],
  "word": "ὄρνις"
}

{
  "categories": [
    "!Entrada (Grego Antigo)",
    "Substantivo (Grego Antigo)"
  ],
  "lang": "Grego Antigo",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Substantivo",
  "raw_tags": [
    "comum aos dois gêneros"
  ],
  "senses": [
    {
      "categories": [
        "Zoologia (Grego Antigo)"
      ],
      "glosses": [
        "ave"
      ],
      "topics": [
        "zoology"
      ]
    }
  ],
  "word": "ὄρνις"
}