"delen" meaning in Cornique

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en cornique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Cornique",
      "orig": "cornique",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Voir le mot breton delienn."
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en cornique de la botanique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Feuille."
      ],
      "id": "fr-delen-kw-noun-OS2zLOMc",
      "topics": [
        "botany"
      ]
    }
  ],
  "tags": [
    "collective",
    "feminine"
  ],
  "word": "delen"
}

{
  "categories": [
    "Noms communs en cornique",
    "cornique"
  ],
  "etymology_texts": [
    "Voir le mot breton delienn."
  ],
  "lang": "Cornique",
  "lang_code": "kw",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en cornique de la botanique"
      ],
      "glosses": [
        "Feuille."
      ],
      "topics": [
        "botany"
      ]
    }
  ],
  "tags": [
    "collective",
    "feminine"
  ],
  "word": "delen"
}