"sgwd" meaning in Welsh

{
  "forms": [
    {
      "form": "sgydau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "sgydau"
      },
      "expansion": "sgwd m (plural sgydau, not mutable)",
      "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": "South Wales Welsh",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Geography",
          "orig": "cy:Geography",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "waterfall, cascade"
      ],
      "id": "en-sgwd-cy-noun-GdT1peHW",
      "links": [
        [
          "waterfall",
          "waterfall"
        ],
        [
          "cascade",
          "cascade"
        ]
      ],
      "raw_glosses": [
        "(South Wales) waterfall, cascade"
      ],
      "tags": [
        "South-Wales",
        "masculine",
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɡuːd/"
    },
    {
      "ipa": "[skuːd]"
    }
  ],
  "word": "sgwd"
}

{
  "forms": [
    {
      "form": "sgydau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "sgydau"
      },
      "expansion": "sgwd m (plural sgydau, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "South Wales Welsh",
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh non-mutable terms",
        "Welsh nouns",
        "cy:Geography"
      ],
      "glosses": [
        "waterfall, cascade"
      ],
      "links": [
        [
          "waterfall",
          "waterfall"
        ],
        [
          "cascade",
          "cascade"
        ]
      ],
      "raw_glosses": [
        "(South Wales) waterfall, cascade"
      ],
      "tags": [
        "South-Wales",
        "masculine",
        "not-mutable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɡuːd/"
    },
    {
      "ipa": "[skuːd]"
    }
  ],
  "word": "sgwd"
}