"fosse océanique" meaning in Frans

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Frans",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Woorden in het Frans van lengte 15",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Frans",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Frans",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "glosses": [
        "trog"
      ],
      "id": "nl-fosse_océanique-fr-noun-f7fWYSa4"
    }
  ],
  "word": "fosse océanique"
}

{
  "categories": [
    "Woorden in het Frans",
    "Woorden in het Frans van lengte 15",
    "Zelfstandig naamwoord in het Frans"
  ],
  "lang": "Frans",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "glosses": [
        "trog"
      ]
    }
  ],
  "word": "fosse océanique"
}