"bleu-merle" meaning in Français

{
  "anagrams": [
    {
      "word": "merle bleu"
    },
    {
      "word": "merlebleu"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la cynologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Variante de bleu merle."
      ],
      "id": "fr-bleu-merle-fr-adj-y2U5mylQ",
      "raw_tags": [
        "Cynologie"
      ]
    }
  ],
  "word": "bleu-merle"
}

{
  "anagrams": [
    {
      "word": "merle bleu"
    },
    {
      "word": "merlebleu"
    }
  ],
  "categories": [
    "Adjectifs en français",
    "Lemmes en français",
    "français"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        "Lexique en français de la cynologie"
      ],
      "glosses": [
        "Variante de bleu merle."
      ],
      "raw_tags": [
        "Cynologie"
      ]
    }
  ],
  "word": "bleu-merle"
}