"grug Corsica" meaning in Welsh

{
  "head_templates": [
    {
      "args": {
        "1": "m"
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      "expansion": "grug Corsica m",
      "name": "cy-noun"
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  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
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          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "cy",
          "name": "Heather family plants",
          "orig": "cy:Heather family plants",
          "parents": [
            "Ericales order plants",
            "Plants",
            "Shrubs",
            "Trees",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Corsican heath (Erica terminalis)"
      ],
      "id": "en-grug_Corsica-cy-noun-aJHgDB7j",
      "links": [
        [
          "Cymdeithas Edward Llwyd",
          "w:Cymdeithas Edward Llwyd"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "grug Corsica"
}

{
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    {
      "args": {
        "1": "m"
      },
      "expansion": "grug Corsica m",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh multiword terms",
        "Welsh nouns",
        "cy:Heather family plants"
      ],
      "glosses": [
        "Corsican heath (Erica terminalis)"
      ],
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          "Cymdeithas Edward Llwyd",
          "w:Cymdeithas Edward Llwyd"
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      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "grug Corsica"
}