"pòlvores gruixudes" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Gravier."
      ],
      "id": "fr-pòlvores_gruixudes-ca-noun-NpBFpURZ"
    }
  ],
  "synonyms": [
    {
      "word": "grava"
    },
    {
      "word": "sorra grossa"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "pòlvores gruixudes"
}

{
  "categories": [
    "Locutions nominales en catalan",
    "catalan"
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Gravier."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "grava"
    },
    {
      "word": "sorra grossa"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "pòlvores gruixudes"
}