"zwartsteel" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "zwart",
        "3": "steel",
        "t1": "black",
        "t2": "stem"
      },
      "expansion": "zwart (“black”) + steel (“stem”)",
      "name": "compound"
    }
  ],
  "etymology_text": "From zwart (“black”) + steel (“stem”); the base of the stem has a dark, blackish color.",
  "forms": [
    {
      "form": "zwartstelen",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "zwartsteeltje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "zwartsteeltje"
      },
      "expansion": "zwartsteel m (plural zwartstelen, diminutive zwartsteeltje n)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "nl",
          "name": "Ferns",
          "orig": "nl:Ferns",
          "parents": [
            "Spore plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black spleenwort, Asplenium adiantum-nigrum"
      ],
      "id": "en-zwartsteel-nl-noun-UvGygq2C",
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "Nl-zwartsteel.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f0/Nl-zwartsteel.ogg/Nl-zwartsteel.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/f0/Nl-zwartsteel.ogg"
    }
  ],
  "word": "zwartsteel"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "zwart",
        "3": "steel",
        "t1": "black",
        "t2": "stem"
      },
      "expansion": "zwart (“black”) + steel (“stem”)",
      "name": "compound"
    }
  ],
  "etymology_text": "From zwart (“black”) + steel (“stem”); the base of the stem has a dark, blackish color.",
  "forms": [
    {
      "form": "zwartstelen",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "zwartsteeltje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "zwartsteeltje"
      },
      "expansion": "zwartsteel m (plural zwartstelen, diminutive zwartsteeltje n)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch compound terms",
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch nouns",
        "Dutch nouns with plural in -en",
        "Dutch terms with audio links",
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "nl:Ferns"
      ],
      "glosses": [
        "black spleenwort, Asplenium adiantum-nigrum"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "Nl-zwartsteel.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f0/Nl-zwartsteel.ogg/Nl-zwartsteel.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/f0/Nl-zwartsteel.ogg"
    }
  ],
  "word": "zwartsteel"
}