"niellages" meaning in Français

{
  "anagrams": [
    {
      "word": "allignées"
    },
    {
      "word": "Galiléens"
    },
    {
      "word": "galiléens"
    },
    {
      "word": "galléines"
    },
    {
      "word": "linge sale"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "niellage",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Pierre Magnan, Chronique d’un château hanté, 2008",
          "text": "Ils avaient poncé les marques des niellages détruits puis les avaient recouvertes d’un sombre vernis cuivré anonyme, comme si des devinettes énigmatiques laissaient le spectateur libre de les interpréter."
        }
      ],
      "form_of": [
        {
          "word": "niellage"
        }
      ],
      "glosses": [
        "Pluriel de niellage."
      ],
      "id": "fr-niellages-fr-noun-zACPb8M5"
    }
  ],
  "sounds": [
    {
      "ipa": "\\njɛ.laʒ\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "niellages"
}

{
  "anagrams": [
    {
      "word": "allignées"
    },
    {
      "word": "Galiléens"
    },
    {
      "word": "galiléens"
    },
    {
      "word": "galléines"
    },
    {
      "word": "linge sale"
    }
  ],
  "categories": [
    "Formes de noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "niellage",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "ref": "Pierre Magnan, Chronique d’un château hanté, 2008",
          "text": "Ils avaient poncé les marques des niellages détruits puis les avaient recouvertes d’un sombre vernis cuivré anonyme, comme si des devinettes énigmatiques laissaient le spectateur libre de les interpréter."
        }
      ],
      "form_of": [
        {
          "word": "niellage"
        }
      ],
      "glosses": [
        "Pluriel de niellage."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\njɛ.laʒ\\"
    }
  ],
  "tags": [
    "form-of",
    "masculine"
  ],
  "word": "niellages"
}