"Fuchsian group" meaning in English

{
  "etymology_text": "First studied by Henri Poincaré (1882), who was motivated by the work of Lazarus Fuchs (1880) and therefore named them after him.",
  "forms": [
    {
      "form": "Fuchsian groups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Fuchsian group (plural Fuchsian groups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        },
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Non-Euclidean geometry",
          "orig": "en:Non-Euclidean geometry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Any discrete group of isometries of the hyperbolic plane."
      ],
      "id": "en-Fuchsian_group-en-noun-tHgnEmas",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "discrete",
          "discrete"
        ],
        [
          "group",
          "group"
        ],
        [
          "isometries",
          "isometry"
        ],
        [
          "hyperbolic plane",
          "hyperbolic plane"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any discrete group of isometries of the hyperbolic plane."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Fuchsian group"
      ]
    }
  ],
  "word": "Fuchsian group"
}

{
  "etymology_text": "First studied by Henri Poincaré (1882), who was motivated by the work of Lazarus Fuchs (1880) and therefore named them after him.",
  "forms": [
    {
      "form": "Fuchsian groups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Fuchsian group (plural Fuchsian groups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
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        "English multiword terms",
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        "English terms with non-redundant non-automated sortkeys",
        "en:Mathematics",
        "en:Non-Euclidean geometry"
      ],
      "glosses": [
        "Any discrete group of isometries of the hyperbolic plane."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "discrete",
          "discrete"
        ],
        [
          "group",
          "group"
        ],
        [
          "isometries",
          "isometry"
        ],
        [
          "hyperbolic plane",
          "hyperbolic plane"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any discrete group of isometries of the hyperbolic plane."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Fuchsian group"
      ]
    }
  ],
  "word": "Fuchsian group"
}