"arrel quadrada" meaning in Catalaans

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Catalaans",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Catalaans",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Catalaans",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiskunde_in_het_Catalaans",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "vierkantswortel"
      ],
      "id": "nl-arrel_quadrada-ca-noun-C0n4V4U5",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "arrel quadrada"
}

{
  "categories": [
    "Woorden in het Catalaans",
    "Zelfstandig naamwoord in het Catalaans"
  ],
  "lang": "Catalaans",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Wiskunde_in_het_Catalaans"
      ],
      "glosses": [
        "vierkantswortel"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "arrel quadrada"
}