"root nodule" meaning in English

{
  "forms": [
    {
      "form": "root nodules",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "root nodule (plural root nodules)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
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            "Terms with redundant transliterations",
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        },
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          "kind": "other",
          "name": "Terms with Finnish translations",
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        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Botany",
          "orig": "en:Botany",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Plant anatomy",
          "orig": "en:Plant anatomy",
          "parents": [
            "Anatomy",
            "Botany",
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A lump found on the roots of some plants, primarily legumes, that forms a symbiosis with nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere, which most plants cannot do."
      ],
      "id": "en-root_nodule-en-noun-QiyEA4o8",
      "links": [
        [
          "botany",
          "botany"
        ],
        [
          "lump",
          "lump"
        ],
        [
          "legumes",
          "legume"
        ],
        [
          "symbiosis",
          "symbiosis"
        ],
        [
          "rhizobia",
          "rhizobia"
        ],
        [
          "nitrogen",
          "nitrogen"
        ],
        [
          "atmosphere",
          "atmosphere"
        ]
      ],
      "raw_glosses": [
        "(botany) A lump found on the roots of some plants, primarily legumes, that forms a symbiosis with nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere, which most plants cannot do."
      ],
      "topics": [
        "biology",
        "botany",
        "natural-sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "gēnliú",
          "sense": "Translations",
          "word": "根瘤"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "juurinystyrä"
        }
      ],
      "wikipedia": [
        "root nodule"
      ]
    }
  ],
  "word": "root nodule"
}

{
  "forms": [
    {
      "form": "root nodules",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "root nodule (plural root nodules)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "Mandarin terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Mandarin translations",
        "Translation table header lacks gloss",
        "en:Botany",
        "en:Plant anatomy"
      ],
      "glosses": [
        "A lump found on the roots of some plants, primarily legumes, that forms a symbiosis with nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere, which most plants cannot do."
      ],
      "links": [
        [
          "botany",
          "botany"
        ],
        [
          "lump",
          "lump"
        ],
        [
          "legumes",
          "legume"
        ],
        [
          "symbiosis",
          "symbiosis"
        ],
        [
          "rhizobia",
          "rhizobia"
        ],
        [
          "nitrogen",
          "nitrogen"
        ],
        [
          "atmosphere",
          "atmosphere"
        ]
      ],
      "raw_glosses": [
        "(botany) A lump found on the roots of some plants, primarily legumes, that forms a symbiosis with nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere, which most plants cannot do."
      ],
      "topics": [
        "biology",
        "botany",
        "natural-sciences"
      ],
      "wikipedia": [
        "root nodule"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "gēnliú",
      "sense": "Translations",
      "word": "根瘤"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "juurinystyrä"
    }
  ],
  "word": "root nodule"
}