"海羊歯" meaning in Japanese

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        "1": "海",
        "2": "うみ",
        "3": "羊歯",
        "4": "しだ",
        "t1": "sea",
        "t2": "fern"
      },
      "expansion": "海(うみ) (umi, “sea”) + 羊歯(しだ) (shida, “fern”)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 海(うみ) (umi, “sea”) + 羊歯(しだ) (shida, “fern”)",
  "forms": [
    {
      "form": "海羊歯",
      "ruby": [
        [
          "海",
          "うみ"
        ],
        [
          "羊歯",
          "しだ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "海羊歯",
      "ruby": [
        [
          "海羊歯",
          "ウミシダ"
        ]
      ],
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        "canonical"
      ]
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    {
      "args": {
        "1": "うみしだ",
        "2": "ウミシダ"
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      "expansion": "海(うみ)羊歯(しだ) or 海羊歯(ウミシダ) • (umishida)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
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      "categories": [
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          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
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          "source": "w"
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          "langcode": "ja",
          "name": "Echinoderms",
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        }
      ],
      "glosses": [
        "feather star (an echinoderm of the order Comatulida)"
      ],
      "id": "en-海羊歯-ja-noun-cvL7HP1P",
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        [
          "feather star",
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          "echinoderm",
          "echinoderm"
        ],
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          "Comatulida",
          "Comatulida#Translingual"
        ]
      ],
      "wikipedia": [
        "ja:ウミシダ"
      ]
    }
  ],
  "word": "海羊歯"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "海",
        "2": "うみ",
        "3": "羊歯",
        "4": "しだ",
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        "t2": "fern"
      },
      "expansion": "海(うみ) (umi, “sea”) + 羊歯(しだ) (shida, “fern”)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 海(うみ) (umi, “sea”) + 羊歯(しだ) (shida, “fern”)",
  "forms": [
    {
      "form": "海羊歯",
      "ruby": [
        [
          "海",
          "うみ"
        ],
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          "羊歯",
          "しだ"
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      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "海羊歯",
      "ruby": [
        [
          "海羊歯",
          "ウミシダ"
        ]
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      "args": {
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