"curtate cycloid" meaning in English

{
  "forms": [
    {
      "form": "curtate cycloids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "curtate cycloid (plural curtate cycloids)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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          "name": "Geometry",
          "orig": "en:Geometry",
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      ],
      "examples": [
        {
          "text": "Coordinate term: prolate cycloid"
        }
      ],
      "glosses": [
        "A cycloid where the distance from the point to the center of the rolling circle is shorter than the radius of the circle itself, instead of having the point on the circumference."
      ],
      "id": "en-curtate_cycloid-en-noun-Jpy9tZQ4",
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "cycloid",
          "cycloid"
        ],
        [
          "circle",
          "circle"
        ],
        [
          "radius",
          "radius"
        ],
        [
          "circumference",
          "circumference"
        ]
      ],
      "raw_glosses": [
        "(geometry) A cycloid where the distance from the point to the center of the rolling circle is shorter than the radius of the circle itself, instead of having the point on the circumference."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "curtate cycloid"
}

{
  "forms": [
    {
      "form": "curtate cycloids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "curtate cycloid (plural curtate cycloids)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "text": "Coordinate term: prolate cycloid"
        }
      ],
      "glosses": [
        "A cycloid where the distance from the point to the center of the rolling circle is shorter than the radius of the circle itself, instead of having the point on the circumference."
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "cycloid",
          "cycloid"
        ],
        [
          "circle",
          "circle"
        ],
        [
          "radius",
          "radius"
        ],
        [
          "circumference",
          "circumference"
        ]
      ],
      "raw_glosses": [
        "(geometry) A cycloid where the distance from the point to the center of the rolling circle is shorter than the radius of the circle itself, instead of having the point on the circumference."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "curtate cycloid"
}