"brân bigwen" meaning in Welsh

{
  "etymology_text": "brân (“crow”) + pigwyn (“white-beaked”).",
  "forms": [
    {
      "form": "brain pigwyn",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "brân bigwen",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "frân bigwen",
      "source": "mutation",
      "tags": [
        "soft"
      ]
    },
    {
      "form": "mrân bigwen",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "brain pigwyn",
        "head": "brân bigwen"
      },
      "expansion": "brân bigwen f (plural brain pigwyn)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "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": "Corvids",
          "orig": "cy:Corvids",
          "parents": [
            "Corvoid birds",
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "rook (Corvus frugilegus)"
      ],
      "id": "en-brân_bigwen-cy-noun-qzlXeWvA",
      "links": [
        [
          "rook",
          "rook"
        ],
        [
          "Corvus frugilegus",
          "Corvus frugilegus#Translingual"
        ]
      ],
      "synonyms": [
        {
          "word": "ydfran"
        },
        {
          "word": "cadfran"
        },
        {
          "word": "llamogreth"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "brân bigwen"
}

{
  "etymology_text": "brân (“crow”) + pigwyn (“white-beaked”).",
  "forms": [
    {
      "form": "brain pigwyn",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "brân bigwen",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "frân bigwen",
      "source": "mutation",
      "tags": [
        "soft"
      ]
    },
    {
      "form": "mrân bigwen",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "brain pigwyn",
        "head": "brân bigwen"
      },
      "expansion": "brân bigwen f (plural brain pigwyn)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh countable 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:Corvids"
      ],
      "glosses": [
        "rook (Corvus frugilegus)"
      ],
      "links": [
        [
          "rook",
          "rook"
        ],
        [
          "Corvus frugilegus",
          "Corvus frugilegus#Translingual"
        ]
      ],
      "synonyms": [
        {
          "word": "ydfran"
        },
        {
          "word": "cadfran"
        },
        {
          "word": "llamogreth"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "brân bigwen"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </small>",
  "path": [
    "brân bigwen"
  ],
  "section": "Welsh",
  "subsection": "noun",
  "title": "brân bigwen",
  "trace": ""
}

{
  "called_from": "inflection/865",
  "msg": "inflection table: IF WITHOUT ELSE EVALS False: brân bigwen/Welsh 'radical' base_tags=set()",
  "path": [
    "brân bigwen"
  ],
  "section": "Welsh",
  "subsection": "noun",
  "title": "brân bigwen",
  "trace": ""
}

{
  "called_from": "inflection/865",
  "msg": "inflection table: IF WITHOUT ELSE EVALS False: brân bigwen/Welsh 'nasal' base_tags={'error-unrecognized-form', 'soft'}",
  "path": [
    "brân bigwen"
  ],
  "section": "Welsh",
  "subsection": "noun",
  "title": "brân bigwen",
  "trace": ""
}

{
  "called_from": "inflection/865",
  "msg": "inflection table: IF WITHOUT ELSE EVALS False: brân bigwen/Welsh 'aspirate' base_tags={'error-unrecognized-form', 'soft'}",
  "path": [
    "brân bigwen"
  ],
  "section": "Welsh",
  "subsection": "noun",
  "title": "brân bigwen",
  "trace": ""
}