"Экскалибур" meaning in Russian

{
  "forms": [
    {
      "form": "Экскалибур"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Μυθολογία (ρωσικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Εξκάλιμπερ"
      ],
      "id": "el-Экскалибур-ru-name-UDBITPWG",
      "raw_tags": [
        "μυθολογία"
      ]
    }
  ],
  "word": "Экскалибур"
}

{
  "forms": [
    {
      "form": "Экскалибур"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Μυθολογία (ρωσικά)"
      ],
      "glosses": [
        "Εξκάλιμπερ"
      ],
      "raw_tags": [
        "μυθολογία"
      ]
    }
  ],
  "word": "Экскалибур"
}