"čtyřstěn" meaning in Ceco

{
  "categories": [
    {
      "kind": "other",
      "name": "Sostantivi in ceco",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Ceco",
  "lang_code": "cs",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "tetraedro"
      ],
      "id": "it-čtyřstěn-cs-noun-wOaOYU-B",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "čtyřstěn"
}

{
  "categories": [
    "Sostantivi in ceco"
  ],
  "lang": "Ceco",
  "lang_code": "cs",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "tetraedro"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "čtyřstěn"
}