"hyperbolic plane" meaning in English

{
  "forms": [
    {
      "form": "hyperbolic planes",
      "tags": [
        "plural"
      ]
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      "expansion": "hyperbolic plane (plural hyperbolic planes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
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        {
          "kind": "other",
          "langcode": "en",
          "name": "Non-Euclidean geometry",
          "orig": "en:Non-Euclidean geometry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Shapes in non-Euclidean geometry",
          "orig": "en:Shapes in non-Euclidean geometry",
          "parents": [],
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Surfaces",
          "orig": "en:Surfaces",
          "parents": [
            "Shapes",
            "Geometry",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Topological spaces",
          "orig": "en:Topological spaces",
          "parents": [],
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        }
      ],
      "glosses": [
        "A topological space homeomorphic to a plane (or open disk) and equipped with a hyperbolic metric."
      ],
      "id": "en-hyperbolic_plane-en-noun-wvfzPjGx",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "topological space",
          "topological space"
        ],
        [
          "homeomorphic",
          "homeomorphic"
        ],
        [
          "plane",
          "plane"
        ],
        [
          "open",
          "open"
        ],
        [
          "disk",
          "disk"
        ],
        [
          "hyperbolic",
          "hyperbolic"
        ],
        [
          "metric",
          "metric"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A topological space homeomorphic to a plane (or open disk) and equipped with a hyperbolic metric."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "topological space",
          "tags": [
            "feminine"
          ],
          "word": "breiðger slétta"
        }
      ],
      "wikipedia": [
        "hyperbolic plane"
      ]
    }
  ],
  "word": "hyperbolic plane"
}

{
  "forms": [
    {
      "form": "hyperbolic planes",
      "tags": [
        "plural"
      ]
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  ],
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      "expansion": "hyperbolic plane (plural hyperbolic planes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "A topological space homeomorphic to a plane (or open disk) and equipped with a hyperbolic metric."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "topological space",
          "topological space"
        ],
        [
          "homeomorphic",
          "homeomorphic"
        ],
        [
          "plane",
          "plane"
        ],
        [
          "open",
          "open"
        ],
        [
          "disk",
          "disk"
        ],
        [
          "hyperbolic",
          "hyperbolic"
        ],
        [
          "metric",
          "metric"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A topological space homeomorphic to a plane (or open disk) and equipped with a hyperbolic metric."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "hyperbolic plane"
      ]
    }
  ],
  "translations": [
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "topological space",
      "tags": [
        "feminine"
      ],
      "word": "breiðger slétta"
    }
  ],
  "word": "hyperbolic plane"
}