"langues orientales" meaning in Français

{
  "anagrams": [
    {
      "word": "réagenouillassent"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "École des langues orientales"
    },
    {
      "raw_tags": [
        "par apocope"
      ],
      "word": "langues O"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Langues parlées à l'est de l'Europe occidentale."
      ],
      "id": "fr-langues_orientales-fr-noun-EDV4gcY~"
    }
  ],
  "sounds": [
    {
      "ipa": "\\lɑ̃ɡ.z‿ɔ.ʁjɑ̃.tal\\"
    }
  ],
  "word": "langues orientales"
}

{
  "anagrams": [
    {
      "word": "réagenouillassent"
    }
  ],
  "categories": [
    "Locutions nominales en français",
    "français"
  ],
  "derived": [
    {
      "word": "École des langues orientales"
    },
    {
      "raw_tags": [
        "par apocope"
      ],
      "word": "langues O"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Langues parlées à l'est de l'Europe occidentale."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\lɑ̃ɡ.z‿ɔ.ʁjɑ̃.tal\\"
    }
  ],
  "word": "langues orientales"
}