"hydrocaulus" meaning in English

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      "expansion": "New Latin hydrocaulus",
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        "3": "καυλός",
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  "etymology_text": "From New Latin hydrocaulus, from hydro- + Ancient Greek καυλός (kaulós, “stalk, stem”).",
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    {
      "form": "hydrocauli",
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  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "hydrocauline"
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              9,
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          "text": "a simple hydrocaulus",
          "type": "example"
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          "text": "a branched hydrocaulus",
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      "glosses": [
        "The hollow stem of a hydrozoan"
      ],
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          "hydrozoan"
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      "raw_glosses": [
        "(zoology) The hollow stem of a hydrozoan"
      ],
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        "biology",
        "natural-sciences",
        "zoology"
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  ],
  "word": "hydrocaulus"
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