"circular angle" meaning in English

{
  "forms": [
    {
      "form": "circular angles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "circular angle (plural circular angles)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
          "kind": "other",
          "langcode": "en",
          "name": "Angle",
          "orig": "en:Angle",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Circle",
          "orig": "en:Circle",
          "parents": [
            "Curves",
            "Shapes",
            "Geometry",
            "Mathematics",
            "Formal sciences",
            "Sciences",
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      ],
      "glosses": [
        "An angle that defines a position on a circle."
      ],
      "id": "en-circular_angle-en-noun-UxvH1fTy",
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "angle",
          "angle"
        ],
        [
          "circle",
          "circle"
        ]
      ],
      "raw_glosses": [
        "(geometry) An angle that defines a position on a circle."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "circular angle"
}

{
  "forms": [
    {
      "form": "circular angles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "circular angle (plural circular angles)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Angle",
        "en:Circle",
        "en:Geometry"
      ],
      "glosses": [
        "An angle that defines a position on a circle."
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "angle",
          "angle"
        ],
        [
          "circle",
          "circle"
        ]
      ],
      "raw_glosses": [
        "(geometry) An angle that defines a position on a circle."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "circular angle"
}