"Knacknuss" meaning in Deutsch

{
  "categories": [
    {
      "kind": "other",
      "name": "Anagramm sortiert (Deutsch)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Deutsch",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grundformeintrag (Deutsch)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Roter Audiolink",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Rückläufige Wörterliste (Deutsch)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Rückläufige Wörterliste Grundformeintrag (Deutsch)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substantiv (Deutsch)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substantiv f (Deutsch)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Wiktionary:Audio-Datei",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Siehe auch",
      "orig": "siehe auch",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "Determinativkompositum aus dem Stamm des Verbs knacken und dem Substantiv Nuss, im Sinne von eine harte Nuss zu knacken haben",
  "forms": [
    {
      "form": "Knacknuß",
      "tags": [
        "obsolete"
      ]
    },
    {
      "form": "die Knacknuss",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "die Knacknüsse",
      "tags": [
        "nominative",
        "plural"
      ]
    },
    {
      "form": "der Knacknuss",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "der Knacknüsse",
      "tags": [
        "genitive",
        "plural"
      ]
    },
    {
      "form": "der Knacknuss",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "den Knacknüssen",
      "tags": [
        "dative",
        "plural"
      ]
    },
    {
      "form": "die Knacknuss",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "die Knacknüsse",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "hyphenation": "Knack·nuss",
  "lang": "Deutsch",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "Diese Fragestellung war sogar für den Computer eine echte Knacknuss."
        }
      ],
      "glosses": [
        "eine nicht einfach zu lösende Fragestellung"
      ],
      "id": "de-Knacknuss-de-noun-Yg9zJHlk",
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈknakˌnʊs"
    },
    {
      "audio": "De-Knacknuss.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8e/De-Knacknuss.ogg/De-Knacknuss.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/De-Knacknuss.ogg"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Knacknuss"
}

{
  "categories": [
    "Anagramm sortiert (Deutsch)",
    "Deutsch",
    "Grundformeintrag (Deutsch)",
    "Roter Audiolink",
    "Rückläufige Wörterliste (Deutsch)",
    "Rückläufige Wörterliste Grundformeintrag (Deutsch)",
    "Substantiv (Deutsch)",
    "Substantiv f (Deutsch)",
    "Wiktionary:Audio-Datei",
    "siehe auch"
  ],
  "etymology_text": "Determinativkompositum aus dem Stamm des Verbs knacken und dem Substantiv Nuss, im Sinne von eine harte Nuss zu knacken haben",
  "forms": [
    {
      "form": "Knacknuß",
      "tags": [
        "obsolete"
      ]
    },
    {
      "form": "die Knacknuss",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "die Knacknüsse",
      "tags": [
        "nominative",
        "plural"
      ]
    },
    {
      "form": "der Knacknuss",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "der Knacknüsse",
      "tags": [
        "genitive",
        "plural"
      ]
    },
    {
      "form": "der Knacknuss",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "den Knacknüssen",
      "tags": [
        "dative",
        "plural"
      ]
    },
    {
      "form": "die Knacknuss",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "die Knacknüsse",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "hyphenation": "Knack·nuss",
  "lang": "Deutsch",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "Diese Fragestellung war sogar für den Computer eine echte Knacknuss."
        }
      ],
      "glosses": [
        "eine nicht einfach zu lösende Fragestellung"
      ],
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈknakˌnʊs"
    },
    {
      "audio": "De-Knacknuss.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8e/De-Knacknuss.ogg/De-Knacknuss.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/De-Knacknuss.ogg"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Knacknuss"
}