"préfacier" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "préface",
        "3": "-ier"
      },
      "expansion": "préface + -ier",
      "name": "af"
    }
  ],
  "etymology_text": "From préface + -ier.",
  "forms": [
    {
      "form": "préfaciers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "préfacier m (plural préfaciers)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms suffixed with -ier",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Writing",
          "orig": "fr:Writing",
          "parents": [
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "the author of a preface to one of Goethe's works",
          "text": "le préfacier de Goethe",
          "type": "example"
        }
      ],
      "glosses": [
        "author of a preface"
      ],
      "id": "en-préfacier-fr-noun-iWQTKcMP",
      "links": [
        [
          "preface",
          "preface"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pʁe.fa.sje/"
    },
    {
      "audio": "LL-Q150 (fra)-Arthur Crbz-préfacier.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/45/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/45/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "préfacier"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "préface",
        "3": "-ier"
      },
      "expansion": "préface + -ier",
      "name": "af"
    }
  ],
  "etymology_text": "From préface + -ier.",
  "forms": [
    {
      "form": "préfaciers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "préfacier m (plural préfaciers)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French nouns",
        "French terms suffixed with -ier",
        "French terms with IPA pronunciation",
        "French terms with audio links",
        "French terms with usage examples",
        "fr:Writing"
      ],
      "examples": [
        {
          "english": "the author of a preface to one of Goethe's works",
          "text": "le préfacier de Goethe",
          "type": "example"
        }
      ],
      "glosses": [
        "author of a preface"
      ],
      "links": [
        [
          "preface",
          "preface"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pʁe.fa.sje/"
    },
    {
      "audio": "LL-Q150 (fra)-Arthur Crbz-préfacier.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/45/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/45/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav/LL-Q150_%28fra%29-Arthur_Crbz-pr%C3%A9facier.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "préfacier"
}