"diner negre" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de diner et de negre."
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Argent sale."
      ],
      "id": "fr-diner_negre-ca-noun-CCYLkEXf"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "diner negre"
}

{
  "categories": [
    "Compositions en catalan",
    "Locutions nominales en catalan",
    "catalan"
  ],
  "etymology_texts": [
    "Composé de diner et de negre."
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Argent sale."
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "diner negre"
}