"lut" meaning in Norwegian Bokmål

{
  "etymology_text": "Related to the verb lauge",
  "forms": [
    {
      "form": "luta",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "luten",
      "tags": [
        "definite",
        "singular"
      ]
    }
  ],
  "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": "other",
          "name": "Pages with 13 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "lutefisk"
        },
        {
          "word": "natronlut"
        }
      ],
      "glosses": [
        "lye (alkaline solution)"
      ],
      "id": "en-lut-nb-noun-Aj-Ragnw",
      "links": [
        [
          "lye",
          "lye"
        ]
      ],
      "tags": [
        "feminine",
        "masculine",
        "uncountable"
      ]
    }
  ],
  "word": "lut"
}

{
  "derived": [
    {
      "word": "lutefisk"
    },
    {
      "word": "natronlut"
    }
  ],
  "etymology_text": "Related to the verb lauge",
  "forms": [
    {
      "form": "luta",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "luten",
      "tags": [
        "definite",
        "singular"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål entries with incorrect language header",
        "Norwegian Bokmål feminine nouns",
        "Norwegian Bokmål lemmas",
        "Norwegian Bokmål masculine nouns",
        "Norwegian Bokmål nouns",
        "Norwegian Bokmål nouns with multiple genders",
        "Norwegian Bokmål uncountable nouns",
        "Pages with 13 entries"
      ],
      "glosses": [
        "lye (alkaline solution)"
      ],
      "links": [
        [
          "lye",
          "lye"
        ]
      ],
      "tags": [
        "feminine",
        "masculine",
        "uncountable"
      ]
    }
  ],
  "word": "lut"
}