"bístia" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "bísties",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bèstia"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en catalan",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes vieillis en catalan",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "XiscoGonzález Peñalver, La Cova del Moix, page 114. 2018, ISBN 978-1983094972.",
          "text": "Ajuda’m a exterminar a aquestes bísties que no són d’aquest món.",
          "translation": "Aidez-moi à exterminer ces bêtes qui ne sont pas de ce monde."
        }
      ],
      "glosses": [
        "Variante de bèstia (« bête »)."
      ],
      "id": "fr-bístia-ca-noun-6OOM-mJC",
      "tags": [
        "alt-of",
        "dated"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "bístia"
}

{
  "categories": [
    "Noms communs en catalan",
    "catalan"
  ],
  "forms": [
    {
      "form": "bísties",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bèstia"
        }
      ],
      "categories": [
        "Exemples en catalan",
        "Termes vieillis en catalan"
      ],
      "examples": [
        {
          "ref": "XiscoGonzález Peñalver, La Cova del Moix, page 114. 2018, ISBN 978-1983094972.",
          "text": "Ajuda’m a exterminar a aquestes bísties que no són d’aquest món.",
          "translation": "Aidez-moi à exterminer ces bêtes qui ne sont pas de ce monde."
        }
      ],
      "glosses": [
        "Variante de bèstia (« bête »)."
      ],
      "tags": [
        "alt-of",
        "dated"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "bístia"
}