"delta" meaning in Danois

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en danois issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en danois issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en danois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Danois",
      "orig": "danois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du latin Delta et du grec ancien δέλτα, délta."
  ],
  "lang": "Danois",
  "lang_code": "da",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en danois de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Delta."
      ],
      "id": "fr-delta-da-noun-FjNBwG21",
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "delta"
}

{
  "categories": [
    "Mots en danois issus d’un mot en grec ancien",
    "Mots en danois issus d’un mot en latin",
    "Noms communs en danois",
    "danois"
  ],
  "etymology_texts": [
    "Du latin Delta et du grec ancien δέλτα, délta."
  ],
  "lang": "Danois",
  "lang_code": "da",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en danois de la géographie"
      ],
      "glosses": [
        "Delta."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "delta"
}