"zwarte mis" meaning in Néerlandais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Néerlandais",
      "orig": "néerlandais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de zwart et de mis."
  ],
  "lang": "Néerlandais",
  "lang_code": "nl",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Messe noire."
      ],
      "id": "fr-zwarte_mis-nl-noun-iHxiRb0f"
    }
  ],
  "tags": [
    "feminine",
    "masculine"
  ],
  "word": "zwarte mis"
}

{
  "categories": [
    "Compositions en néerlandais",
    "Locutions nominales en néerlandais",
    "néerlandais"
  ],
  "etymology_texts": [
    "Composé de zwart et de mis."
  ],
  "lang": "Néerlandais",
  "lang_code": "nl",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Messe noire."
      ]
    }
  ],
  "tags": [
    "feminine",
    "masculine"
  ],
  "word": "zwarte mis"
}