"marron de cochon" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "marrons de cochons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Plantes en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Espèce de plante à fleurs de la famille des primulacées, originaire d’Europe centrale"
      ],
      "id": "fr-marron_de_cochon-fr-noun-MBBokEB~",
      "topics": [
        "botany"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ma.ʁɔ̃ də kɔ.ʃɔ̃\\"
    }
  ],
  "synonyms": [
    {
      "word": "coquette"
    },
    {
      "word": "cyclamen des Alpes"
    },
    {
      "word": "cyclamen d’Europe"
    },
    {
      "word": "cyclamen pourpre"
    },
    {
      "word": "cyclamen rouge"
    },
    {
      "word": "pain de pourceau"
    },
    {
      "word": "rave de terre"
    },
    {
      "word": "violette des Alpes"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "marron de cochon"
}

{
  "categories": [
    "Locutions nominales en français",
    "Traductions en conventions internationales",
    "français"
  ],
  "forms": [
    {
      "form": "marrons de cochons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Plantes en français",
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Espèce de plante à fleurs de la famille des primulacées, originaire d’Europe centrale"
      ],
      "topics": [
        "botany"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ma.ʁɔ̃ də kɔ.ʃɔ̃\\"
    }
  ],
  "synonyms": [
    {
      "word": "coquette"
    },
    {
      "word": "cyclamen des Alpes"
    },
    {
      "word": "cyclamen d’Europe"
    },
    {
      "word": "cyclamen pourpre"
    },
    {
      "word": "cyclamen rouge"
    },
    {
      "word": "pain de pourceau"
    },
    {
      "word": "rave de terre"
    },
    {
      "word": "violette des Alpes"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "marron de cochon"
}