"мрак" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en russe issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "sombre, obscur",
      "word": "мрачный"
    }
  ],
  "etymology_texts": [
    "Du vieux slave мракъ, mrakŭ (« obscurité »)."
  ],
  "forms": [
    {
      "form": "мраки",
      "tags": [
        "plural",
        "nominative"
      ]
    },
    {
      "form": "мрака",
      "tags": [
        "singular",
        "genitive"
      ]
    },
    {
      "form": "мраков",
      "tags": [
        "plural",
        "genitive"
      ]
    },
    {
      "form": "мраку",
      "tags": [
        "singular",
        "dative"
      ]
    },
    {
      "form": "мракам",
      "tags": [
        "plural",
        "dative"
      ]
    },
    {
      "form": "мраки",
      "tags": [
        "plural",
        "accusative"
      ]
    },
    {
      "form": "мраком",
      "tags": [
        "singular",
        "instrumental"
      ]
    },
    {
      "form": "мраками",
      "tags": [
        "plural",
        "instrumental"
      ]
    },
    {
      "form": "мраке",
      "tags": [
        "singular",
        "prepositional"
      ]
    },
    {
      "form": "мраках",
      "tags": [
        "plural",
        "prepositional"
      ]
    },
    {
      "form": "Nom de type 3a selon Zaliznyak"
    }
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "mrak",
    "masculin inanimé"
  ],
  "related": [
    {
      "word": "морок"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en russe",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Obscurité, ténèbres."
      ],
      "id": "fr-мрак-ru-noun-tEO7AlXg"
    }
  ],
  "sounds": [
    {
      "ipa": "\\mrak\\"
    },
    {
      "audio": "Ru-мрак.ogg",
      "ipa": "mrak",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/ca/Ru-мрак.ogg/Ru-мрак.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/Ru-мрак.ogg",
      "raw_tags": [
        "Russie"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "тьма"
    },
    {
      "word": "темнота"
    },
    {
      "word": "мгла"
    }
  ],
  "word": "мрак"
}

{
  "categories": [
    "Lemmes en russe",
    "Mots en russe issus d’un mot en vieux slave",
    "Noms communs en russe",
    "russe"
  ],
  "derived": [
    {
      "translation": "sombre, obscur",
      "word": "мрачный"
    }
  ],
  "etymology_texts": [
    "Du vieux slave мракъ, mrakŭ (« obscurité »)."
  ],
  "forms": [
    {
      "form": "мраки",
      "tags": [
        "plural",
        "nominative"
      ]
    },
    {
      "form": "мрака",
      "tags": [
        "singular",
        "genitive"
      ]
    },
    {
      "form": "мраков",
      "tags": [
        "plural",
        "genitive"
      ]
    },
    {
      "form": "мраку",
      "tags": [
        "singular",
        "dative"
      ]
    },
    {
      "form": "мракам",
      "tags": [
        "plural",
        "dative"
      ]
    },
    {
      "form": "мраки",
      "tags": [
        "plural",
        "accusative"
      ]
    },
    {
      "form": "мраком",
      "tags": [
        "singular",
        "instrumental"
      ]
    },
    {
      "form": "мраками",
      "tags": [
        "plural",
        "instrumental"
      ]
    },
    {
      "form": "мраке",
      "tags": [
        "singular",
        "prepositional"
      ]
    },
    {
      "form": "мраках",
      "tags": [
        "plural",
        "prepositional"
      ]
    },
    {
      "form": "Nom de type 3a selon Zaliznyak"
    }
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "mrak",
    "masculin inanimé"
  ],
  "related": [
    {
      "word": "морок"
    }
  ],
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en russe"
      ],
      "glosses": [
        "Obscurité, ténèbres."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mrak\\"
    },
    {
      "audio": "Ru-мрак.ogg",
      "ipa": "mrak",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/ca/Ru-мрак.ogg/Ru-мрак.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/Ru-мрак.ogg",
      "raw_tags": [
        "Russie"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "тьма"
    },
    {
      "word": "темнота"
    },
    {
      "word": "мгла"
    }
  ],
  "word": "мрак"
}