"sea rush" meaning in English

{
  "forms": [
    {
      "form": "sea rushes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea rush (plural sea rushes)",
      "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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        {
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          "name": "Terms with Maori translations",
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Rushes",
          "orig": "en:Rushes",
          "parents": [
            "Commelinids",
            "Water plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A rush of the genus Juncus: a waterside plant with slender stem-like pith-filled leaves that grows on coastlines."
      ],
      "id": "en-sea_rush-en-noun-arWAtBj8",
      "links": [
        [
          "rush",
          "rush"
        ],
        [
          "genus",
          "genus"
        ],
        [
          "Juncus",
          "Juncus#Translingual"
        ]
      ],
      "translations": [
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "Translations",
          "word": "wīwī"
        }
      ]
    }
  ],
  "word": "sea rush"
}

{
  "forms": [
    {
      "form": "sea rushes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea rush (plural sea rushes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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        "English multiword terms",
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        "Translation table header lacks gloss",
        "en:Rushes"
      ],
      "glosses": [
        "A rush of the genus Juncus: a waterside plant with slender stem-like pith-filled leaves that grows on coastlines."
      ],
      "links": [
        [
          "rush",
          "rush"
        ],
        [
          "genus",
          "genus"
        ],
        [
          "Juncus",
          "Juncus#Translingual"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "Translations",
      "word": "wīwī"
    }
  ],
  "word": "sea rush"
}