"graisins" meaning in Français

{
  "anagrams": [
    {
      "word": "graissin"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la verrerie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Morceaux de verre cassé qu’on refond pour la fabrication du verre."
      ],
      "id": "fr-graisins-fr-noun-R26Cyc6Z",
      "raw_tags": [
        "Verrerie"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡʁɛ.zɛ̃\\"
    }
  ],
  "synonyms": [
    {
      "word": "cassons"
    }
  ],
  "tags": [
    "masculine",
    "plural"
  ],
  "word": "graisins"
}

{
  "anagrams": [
    {
      "word": "graissin"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en français de la verrerie"
      ],
      "glosses": [
        "Morceaux de verre cassé qu’on refond pour la fabrication du verre."
      ],
      "raw_tags": [
        "Verrerie"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡʁɛ.zɛ̃\\"
    }
  ],
  "synonyms": [
    {
      "word": "cassons"
    }
  ],
  "tags": [
    "masculine",
    "plural"
  ],
  "word": "graisins"
}