"penny weed" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "kind": "lifeform",
          "langcode": "en",
          "name": "Brown algae",
          "orig": "en:Brown algae",
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      "glosses": [
        "Any seaweed of the genus Zanardinia."
      ],
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  "word": "penny weed"
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  "lang_code": "en",
  "pos": "noun",
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        "Any seaweed of the genus Zanardinia."
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  "word": "penny weed"
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