"grugru worm" meaning in English

{
  "forms": [
    {
      "form": "grugru worms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grugru worm (plural grugru worms)",
      "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",
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          "source": "w"
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          "source": "w"
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          "name": "Pages with entries",
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Weevils",
          "orig": "en:Weevils",
          "parents": [
            "Beetles",
            "Insects",
            "Arthropods",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The larva or grub of a large South American beetle, Rhynchophorus palmarum, found on the grugru palm."
      ],
      "id": "en-grugru_worm-en-noun-t4QvUYMr",
      "links": [
        [
          "larva",
          "larva"
        ],
        [
          "grub",
          "grub"
        ],
        [
          "South America",
          "South America"
        ],
        [
          "beetle",
          "beetle"
        ],
        [
          "grugru",
          "grugru"
        ],
        [
          "palm",
          "palm"
        ]
      ]
    }
  ],
  "word": "grugru worm"
}

{
  "forms": [
    {
      "form": "grugru worms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grugru worm (plural grugru worms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "en:Weevils"
      ],
      "glosses": [
        "The larva or grub of a large South American beetle, Rhynchophorus palmarum, found on the grugru palm."
      ],
      "links": [
        [
          "larva",
          "larva"
        ],
        [
          "grub",
          "grub"
        ],
        [
          "South America",
          "South America"
        ],
        [
          "beetle",
          "beetle"
        ],
        [
          "grugru",
          "grugru"
        ],
        [
          "palm",
          "palm"
        ]
      ]
    }
  ],
  "word": "grugru worm"
}