"Улзий" meaning in Mongol

{
  "categories": [
    {
      "kind": "other",
      "name": "Prénoms masculins en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mongol",
      "orig": "mongol",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "Алтан-Улзий"
    },
    {
      "word": "Бат-Улзий"
    }
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Définitions manquantes en mongol",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Prénom masculin : Définition manquante ou à compléter. (Ajouter)"
      ],
      "id": "fr-Улзий-mn-name-8JtXfRJZ"
    }
  ],
  "tags": [
    "first name"
  ],
  "word": "Улзий"
}

{
  "categories": [
    "Prénoms masculins en mongol",
    "mongol"
  ],
  "derived": [
    {
      "word": "Алтан-Улзий"
    },
    {
      "word": "Бат-Улзий"
    }
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "name",
  "pos_title": "Prénom",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Définitions manquantes en mongol"
      ],
      "glosses": [
        "Prénom masculin : Définition manquante ou à compléter. (Ajouter)"
      ]
    }
  ],
  "tags": [
    "first name"
  ],
  "word": "Улзий"
}