"sbriws Siberia" meaning in Welsh

{
  "forms": [
    {
      "form": "sbriwsen Siberia",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f-p",
        "2": "sbriwsen Siberia"
      },
      "expansion": "sbriws Siberia f (collective, singulative sbriwsen Siberia, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "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"
        }
      ],
      "glosses": [
        "Siberian spruces (Picea obovata)"
      ],
      "hypernyms": [
        {
          "english": "conifers",
          "word": "conwydd"
        }
      ],
      "id": "en-sbriws_Siberia-cy-noun-0f9jBfSx",
      "links": [
        [
          "Siberian spruce",
          "Siberian spruce"
        ]
      ],
      "tags": [
        "collective",
        "feminine",
        "not-mutable"
      ]
    }
  ],
  "word": "sbriws Siberia"
}

{
  "forms": [
    {
      "form": "sbriwsen Siberia",
      "tags": [
        "singulative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f-p",
        "2": "sbriwsen Siberia"
      },
      "expansion": "sbriws Siberia f (collective, singulative sbriwsen Siberia, not mutable)",
      "name": "cy-noun"
    }
  ],
  "hypernyms": [
    {
      "english": "conifers",
      "word": "conwydd"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries using missing taxonomic name (species)",
        "Welsh collective nouns",
        "Welsh entries with incorrect language header",
        "Welsh feminine nouns",
        "Welsh lemmas",
        "Welsh multiword terms",
        "Welsh non-mutable terms",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "cy:Conifers"
      ],
      "glosses": [
        "Siberian spruces (Picea obovata)"
      ],
      "links": [
        [
          "Siberian spruce",
          "Siberian spruce"
        ]
      ],
      "tags": [
        "collective",
        "feminine",
        "not-mutable"
      ]
    }
  ],
  "word": "sbriws Siberia"
}