"chwisl" meaning in Welsh

{
  "forms": [
    {
      "form": "chwislau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "chwislau"
      },
      "expansion": "chwisl m (plural chwislau, 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"
        }
      ],
      "glosses": [
        "whistle"
      ],
      "id": "en-chwisl-cy-noun--oKUiACk",
      "links": [
        [
          "whistle",
          "whistle"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ]
    }
  ],
  "word": "chwisl"
}

{
  "forms": [
    {
      "form": "chwislau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "chwislau"
      },
      "expansion": "chwisl m (plural chwislau, not mutable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh non-mutable terms",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines"
      ],
      "glosses": [
        "whistle"
      ],
      "links": [
        [
          "whistle",
          "whistle"
        ]
      ],
      "tags": [
        "masculine",
        "not-mutable"
      ]
    }
  ],
  "word": "chwisl"
}