"langue des sourds" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en same du Nord",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "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": [
        "Langue des signes."
      ],
      "id": "fr-langue_des_sourds-fr-noun-U2JGuh0e"
    }
  ],
  "translations": [
    {
      "lang": "Same du Nord",
      "lang_code": "se",
      "word": "giehtagiella"
    }
  ],
  "word": "langue des sourds"
}

{
  "categories": [
    "Locutions nominales en français",
    "Traductions en same du Nord",
    "français"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Langue des signes."
      ]
    }
  ],
  "translations": [
    {
      "lang": "Same du Nord",
      "lang_code": "se",
      "word": "giehtagiella"
    }
  ],
  "word": "langue des sourds"
}