"cedrwydd gwyn" meaning in Welsh

{
  "forms": [
    {
      "form": "cedrwydden wen",
      "tags": [
        "singulative"
      ]
    },
    {
      "form": "cedrwydd gwynion",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f-p",
        "2": "cedrwydden wen"
      },
      "expansion": "cedrwydd gwyn f (collective, singulative cedrwydden wen)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "cy",
          "name": "Conifers",
          "orig": "cy:Conifers",
          "parents": [
            "Gymnosperms",
            "Shrubs",
            "Trees",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "cy",
          "name": "Cypress family plants",
          "orig": "cy:Cypress family plants",
          "parents": [
            "Conifers",
            "Gymnosperms",
            "Shrubs",
            "Trees",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "white cedars"
      ],
      "id": "en-cedrwydd_gwyn-cy-noun-SOcfVYPU",
      "links": [
        [
          "white cedar",
          "white cedar"
        ]
      ],
      "tags": [
        "collective",
        "feminine"
      ]
    }
  ],
  "word": "cedrwydd gwyn"
}

{
  "forms": [
    {
      "form": "cedrwydden wen",
      "tags": [
        "singulative"
      ]
    },
    {
      "form": "cedrwydd gwynion",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f-p",
        "2": "cedrwydden wen"
      },
      "expansion": "cedrwydd gwyn f (collective, singulative cedrwydden wen)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh collective nouns",
        "Welsh entries with incorrect language header",
        "Welsh feminine nouns",
        "Welsh lemmas",
        "Welsh multiword terms",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "cy:Conifers",
        "cy:Cypress family plants"
      ],
      "glosses": [
        "white cedars"
      ],
      "links": [
        [
          "white cedar",
          "white cedar"
        ]
      ],
      "tags": [
        "collective",
        "feminine"
      ]
    }
  ],
  "word": "cedrwydd gwyn"
}