"bjerk" meaning in Norwegian Bokmål

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "bjerkeved"
    },
    {
      "_dis1": "0 0",
      "word": "dvergbjerk"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "non",
        "3": "bjǫrk"
      },
      "expansion": "Old Norse bjǫrk",
      "name": "inh"
    },
    {
      "args": {
        "1": "nb",
        "2": "gem-pro",
        "3": "*birkijǭ"
      },
      "expansion": "Proto-Germanic *birkijǭ",
      "name": "inh"
    },
    {
      "args": {
        "1": "nb",
        "2": "ine-pro",
        "3": "*bʰerHǵos"
      },
      "expansion": "Proto-Indo-European *bʰerHǵos",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "birch"
      },
      "expansion": "English birch",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "भूर्ज",
        "tr": "bhūrjá"
      },
      "expansion": "Sanskrit भूर्ज (bhūrjá)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Norse bjǫrk, from Proto-Germanic *birkijǭ, from Proto-Indo-European *bʰerHǵos. Cognate with English birch and Sanskrit भूर्ज (bhūrjá).",
  "forms": [
    {
      "form": "bjerka",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "bjerken",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "bjerker",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "bjerkene",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "lifeform",
          "langcode": "nb",
          "name": "Trees",
          "orig": "nb:Trees",
          "parents": [
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a birch (tree of genus Betula)"
      ],
      "id": "en-bjerk-nb-noun-HL4l4-q7",
      "links": [
        [
          "birch",
          "birch#English"
        ],
        [
          "Betula",
          "Betula#Translingual"
        ]
      ],
      "tags": [
        "feminine",
        "masculine"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "lifeform",
          "langcode": "nb",
          "name": "Trees",
          "orig": "nb:Trees",
          "parents": [
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "birch (wood from the birch tree)"
      ],
      "id": "en-bjerk-nb-noun-RfnKHNaX",
      "links": [
        [
          "birch",
          "birch#English"
        ]
      ],
      "tags": [
        "feminine",
        "masculine"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "bjørk"
    }
  ],
  "wikipedia": [
    "no:Bjørkeslekten"
  ],
  "word": "bjerk"
}

{
  "categories": [
    "nb:Trees"
  ],
  "derived": [
    {
      "word": "bjerkeved"
    },
    {
      "word": "dvergbjerk"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "non",
        "3": "bjǫrk"
      },
      "expansion": "Old Norse bjǫrk",
      "name": "inh"
    },
    {
      "args": {
        "1": "nb",
        "2": "gem-pro",
        "3": "*birkijǭ"
      },
      "expansion": "Proto-Germanic *birkijǭ",
      "name": "inh"
    },
    {
      "args": {
        "1": "nb",
        "2": "ine-pro",
        "3": "*bʰerHǵos"
      },
      "expansion": "Proto-Indo-European *bʰerHǵos",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "birch"
      },
      "expansion": "English birch",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "भूर्ज",
        "tr": "bhūrjá"
      },
      "expansion": "Sanskrit भूर्ज (bhūrjá)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Norse bjǫrk, from Proto-Germanic *birkijǭ, from Proto-Indo-European *bʰerHǵos. Cognate with English birch and Sanskrit भूर्ज (bhūrjá).",
  "forms": [
    {
      "form": "bjerka",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "bjerken",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "bjerker",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "bjerkene",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "a birch (tree of genus Betula)"
      ],
      "links": [
        [
          "birch",
          "birch#English"
        ],
        [
          "Betula",
          "Betula#Translingual"
        ]
      ],
      "tags": [
        "feminine",
        "masculine"
      ]
    },
    {
      "glosses": [
        "birch (wood from the birch tree)"
      ],
      "links": [
        [
          "birch",
          "birch#English"
        ]
      ],
      "tags": [
        "feminine",
        "masculine"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "bjørk"
    }
  ],
  "wikipedia": [
    "no:Bjørkeslekten"
  ],
  "word": "bjerk"
}