"mercredi des cendres" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Calendrier en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en espagnol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en luxembourgeois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Pour figurer le rituel religieux qui consiste à couvrir de cendre le front des ouailles."
  ],
  "forms": [
    {
      "form": "mercredis des cendres",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "mercredi des Cendres"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la religion",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Premier jour du carême pour les catholiques et les protestants."
      ],
      "id": "fr-mercredi_des_cendres-fr-noun-8~F6LTkd",
      "topics": [
        "religion"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mɛʁ.kʁə.di de sɑ̃dʁ\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "tags": [
        "masculine"
      ],
      "word": "Aschermittwoch"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "Ash Wednesday"
    },
    {
      "lang": "Espagnol",
      "lang_code": "es",
      "word": "Miércoles de Ceniza"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "word": "mercoledì delle ceneri"
    },
    {
      "lang": "Luxembourgeois",
      "lang_code": "lb",
      "tags": [
        "masculine"
      ],
      "word": "Äschermëttwoch"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "Aswoensdag"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "popeleční středa"
    }
  ],
  "word": "mercredi des cendres"
}

{
  "categories": [
    "Calendrier en français",
    "Locutions nominales en français",
    "Traductions en allemand",
    "Traductions en anglais",
    "Traductions en espagnol",
    "Traductions en italien",
    "Traductions en luxembourgeois",
    "Traductions en néerlandais",
    "Traductions en tchèque",
    "français"
  ],
  "etymology_texts": [
    "Pour figurer le rituel religieux qui consiste à couvrir de cendre le front des ouailles."
  ],
  "forms": [
    {
      "form": "mercredis des cendres",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "mercredi des Cendres"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en français de la religion",
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Premier jour du carême pour les catholiques et les protestants."
      ],
      "topics": [
        "religion"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mɛʁ.kʁə.di de sɑ̃dʁ\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "tags": [
        "masculine"
      ],
      "word": "Aschermittwoch"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "Ash Wednesday"
    },
    {
      "lang": "Espagnol",
      "lang_code": "es",
      "word": "Miércoles de Ceniza"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "word": "mercoledì delle ceneri"
    },
    {
      "lang": "Luxembourgeois",
      "lang_code": "lb",
      "tags": [
        "masculine"
      ],
      "word": "Äschermëttwoch"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "Aswoensdag"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "popeleční středa"
    }
  ],
  "word": "mercredi des cendres"
}