"Afon Niger" meaning in Gallois

{
  "categories": [
    {
      "kind": "other",
      "name": "Cours d’eau en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms propres en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallois",
      "orig": "gallois",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "glosses": [
        "Niger (fleuve d’Afrique)."
      ],
      "id": "fr-Afon_Niger-cy-name-wmPEAsvL"
    }
  ],
  "word": "Afon Niger"
}

{
  "categories": [
    "Cours d’eau en gallois",
    "Noms propres en gallois",
    "gallois"
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "glosses": [
        "Niger (fleuve d’Afrique)."
      ]
    }
  ],
  "word": "Afon Niger"
}