"кос" meaning in Bulgaars

{
  "categories": [
    {
      "kind": "other",
      "name": "WikiWoordenboek:Wikilink",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Woorden in het Bulgaars",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Woorden in het Bulgaars met audioweergave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Bulgaars",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Bulgaars",
  "lang_code": "bg",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Vogels in het Bulgaars",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Zangvogels_in_het_Bulgaars",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Turdus merula merel"
      ],
      "id": "nl-кос-bg-noun-yIgbLxf3",
      "raw_tags": [
        "zangvogels"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "bg-кос.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ed/Bg-кос.ogg/Bg-кос.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/bg-кос.ogg"
    }
  ],
  "word": "кос"
}

{
  "categories": [
    "WikiWoordenboek:Wikilink",
    "Woorden in het Bulgaars",
    "Woorden in het Bulgaars met audioweergave",
    "Zelfstandig naamwoord in het Bulgaars"
  ],
  "lang": "Bulgaars",
  "lang_code": "bg",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Vogels in het Bulgaars",
        "Zangvogels_in_het_Bulgaars"
      ],
      "glosses": [
        "Turdus merula merel"
      ],
      "raw_tags": [
        "zangvogels"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "bg-кос.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ed/Bg-кос.ogg/Bg-кос.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/bg-кос.ogg"
    }
  ],
  "word": "кос"
}