"tangiad" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "tangent"
      },
      "expansion": "English tangent",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "-iad"
      },
      "expansion": "-iad",
      "name": "af"
    }
  ],
  "etymology_text": "Adapted from English tangent + -iad.",
  "forms": [
    {
      "form": "tangiadau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "au"
      },
      "expansion": "tangiad m (plural tangiadau)",
      "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": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh terms suffixed with -iad",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Differential geometry",
          "orig": "cy:Differential geometry",
          "parents": [
            "Geometry",
            "Mathematical analysis",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Mathematics",
          "orig": "cy:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "tangent"
      ],
      "id": "en-tangiad-cy-noun-ugFDXStB",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "differential geometry",
          "differential geometry"
        ],
        [
          "tangent",
          "tangent"
        ]
      ],
      "qualifier": "differential geometry",
      "raw_glosses": [
        "(mathematics, differential geometry) tangent"
      ],
      "related": [
        {
          "topics": [
            "trigonometry",
            "mathematics",
            "sciences"
          ],
          "word": "trigonometreg"
        },
        {
          "english": "sine",
          "word": "sin"
        },
        {
          "english": "cosine",
          "word": "cosin"
        }
      ],
      "synonyms": [
        {
          "word": "cyffyrddlin"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "tangiad"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "en",
        "3": "tangent"
      },
      "expansion": "English tangent",
      "name": "bor"
    },
    {
      "args": {
        "1": "cy",
        "2": "-iad"
      },
      "expansion": "-iad",
      "name": "af"
    }
  ],
  "etymology_text": "Adapted from English tangent + -iad.",
  "forms": [
    {
      "form": "tangiadau",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "au"
      },
      "expansion": "tangiad m (plural tangiadau)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "related": [
    {
      "topics": [
        "trigonometry",
        "mathematics",
        "sciences"
      ],
      "word": "trigonometreg"
    },
    {
      "english": "sine",
      "word": "sin"
    },
    {
      "english": "cosine",
      "word": "cosin"
    }
  ],
  "senses": [
    {
      "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 borrowed from English",
        "Welsh terms derived from English",
        "Welsh terms suffixed with -iad",
        "cy:Differential geometry",
        "cy:Mathematics"
      ],
      "glosses": [
        "tangent"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "differential geometry",
          "differential geometry"
        ],
        [
          "tangent",
          "tangent"
        ]
      ],
      "qualifier": "differential geometry",
      "raw_glosses": [
        "(mathematics, differential geometry) tangent"
      ],
      "synonyms": [
        {
          "word": "cyffyrddlin"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "tangiad"
}