"rhagair" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "foreword"
      },
      "expansion": "Calque of English foreword",
      "name": "calque"
    },
    {
      "args": {
        "1": "cy",
        "2": "rhag-",
        "3": "gair",
        "t1": "fore-, pre-",
        "t2": "word"
      },
      "expansion": "By surface analysis, rhag- (“fore-, pre-”) + gair (“word”)",
      "name": "surface analysis"
    }
  ],
  "etymology_text": "Calque of English foreword. By surface analysis, rhag- (“fore-, pre-”) + gair (“word”).",
  "forms": [
    {
      "form": "rhageiriau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "rhagair",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "ragair",
      "source": "mutation",
      "tags": [
        "soft"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "rhageiriau"
      },
      "expansion": "rhagair m (plural rhageiriau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "foreword, introduction"
      ],
      "id": "en-rhagair-cy-noun-MVJ92Zi~",
      "links": [
        [
          "foreword",
          "foreword"
        ],
        [
          "introduction",
          "introduction"
        ]
      ],
      "synonyms": [
        {
          "word": "rhagymadrodd"
        },
        {
          "word": "rhaglith"
        }
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "categories": [
        {
          "_dis": "29 71",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "18 82",
          "kind": "other",
          "name": "Welsh terms prefixed with rhag-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "preface"
      ],
      "id": "en-rhagair-cy-noun-CWBEoHLB",
      "links": [
        [
          "preface",
          "preface"
        ]
      ],
      "synonyms": [
        {
          "word": "preffas"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "rhagair"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Welsh countable nouns",
    "Welsh entries with incorrect language header",
    "Welsh lemmas",
    "Welsh masculine nouns",
    "Welsh nouns",
    "Welsh nouns with red links in their headword lines",
    "Welsh terms calqued from English",
    "Welsh terms derived from English",
    "Welsh terms prefixed with rhag-"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "foreword"
      },
      "expansion": "Calque of English foreword",
      "name": "calque"
    },
    {
      "args": {
        "1": "cy",
        "2": "rhag-",
        "3": "gair",
        "t1": "fore-, pre-",
        "t2": "word"
      },
      "expansion": "By surface analysis, rhag- (“fore-, pre-”) + gair (“word”)",
      "name": "surface analysis"
    }
  ],
  "etymology_text": "Calque of English foreword. By surface analysis, rhag- (“fore-, pre-”) + gair (“word”).",
  "forms": [
    {
      "form": "rhageiriau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "rhagair",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "ragair",
      "source": "mutation",
      "tags": [
        "soft"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "rhageiriau"
      },
      "expansion": "rhagair m (plural rhageiriau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "foreword, introduction"
      ],
      "links": [
        [
          "foreword",
          "foreword"
        ],
        [
          "introduction",
          "introduction"
        ]
      ],
      "synonyms": [
        {
          "word": "rhagymadrodd"
        },
        {
          "word": "rhaglith"
        }
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "glosses": [
        "preface"
      ],
      "links": [
        [
          "preface",
          "preface"
        ]
      ],
      "synonyms": [
        {
          "word": "preffas"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "rhagair"
}