"grusvei" meaning in Norwegian Bokmål

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "grus",
        "3": "vei"
      },
      "expansion": "grus + vei",
      "name": "affix"
    }
  ],
  "etymology_text": "From grus + vei.",
  "forms": [
    {
      "form": "grusveien",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "grusveier",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "grusveiene",
      "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": "topical",
          "langcode": "nb",
          "name": "Roads",
          "orig": "nb:Roads",
          "parents": [
            "Road transport",
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a gravel road"
      ],
      "id": "en-grusvei-nb-noun-DnXGSbuZ",
      "links": [
        [
          "gravel road",
          "gravel road#English"
        ]
      ],
      "synonyms": [
        {
          "word": "grusveg"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "grusvei"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "grus",
        "3": "vei"
      },
      "expansion": "grus + vei",
      "name": "affix"
    }
  ],
  "etymology_text": "From grus + vei.",
  "forms": [
    {
      "form": "grusveien",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "grusveier",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "grusveiene",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål compound terms",
        "Norwegian Bokmål entries with incorrect language header",
        "Norwegian Bokmål lemmas",
        "Norwegian Bokmål masculine nouns",
        "Norwegian Bokmål nouns",
        "nb:Roads"
      ],
      "glosses": [
        "a gravel road"
      ],
      "links": [
        [
          "gravel road",
          "gravel road#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "grusveg"
    }
  ],
  "word": "grusvei"
}