"fjordsjø" meaning in Norwegian Bokmål

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "fjord",
        "3": "sjø"
      },
      "expansion": "fjord + sjø",
      "name": "af"
    }
  ],
  "etymology_text": "From fjord + sjø.",
  "forms": [
    {
      "form": "fjordsjøen",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "fjordsjøer",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "fjordsjøene",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Bokmål entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "nb",
          "name": "Landforms",
          "orig": "nb:Landforms",
          "parents": [
            "Earth",
            "Places",
            "Nature",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a moraine-dammed lake"
      ],
      "id": "en-fjordsjø-nb-noun-mLwl6NGi",
      "related": [
        {
          "word": "innsjø"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "fjordsjø"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "fjord",
        "3": "sjø"
      },
      "expansion": "fjord + sjø",
      "name": "af"
    }
  ],
  "etymology_text": "From fjord + sjø.",
  "forms": [
    {
      "form": "fjordsjøen",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "fjordsjøer",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "fjordsjøene",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "related": [
    {
      "word": "innsjø"
    }
  ],
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål compound terms",
        "Norwegian Bokmål entries with incorrect language header",
        "Norwegian Bokmål lemmas",
        "Norwegian Bokmål masculine nouns",
        "Norwegian Bokmål nouns",
        "nb:Landforms"
      ],
      "glosses": [
        "a moraine-dammed lake"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "fjordsjø"
}