"楕円" meaning in Japanese

{
  "forms": [
    {
      "form": "楕円 ^",
      "ruby": [
        [
          "楕",
          "だ"
        ],
        [
          "円",
          "えん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "daen",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "dawen",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "だゑん",
      "roman": "dawen",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "楕圓",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "だえん",
        "hhira": "だゑん"
      },
      "expansion": "楕(だ)円(えん) • (daen) ^(←だゑん (dawen)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with Heiban pitch accent (Tōkyō)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Shapes",
          "orig": "ja:Shapes",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "an ellipse"
      ],
      "id": "en-楕円-ja-noun-HLy6WH24",
      "links": [
        [
          "ellipse",
          "ellipse"
        ]
      ],
      "related": [
        {
          "roman": "ensui kyokusen",
          "ruby": [
            [
              "円",
              "えん"
            ],
            [
              "錐",
              "すい"
            ],
            [
              "曲",
              "きょく"
            ],
            [
              "線",
              "せん"
            ]
          ],
          "word": "円錐曲線"
        },
        {
          "roman": "hōbutsusen",
          "ruby": [
            [
              "放",
              "ほう"
            ],
            [
              "物",
              "ぶつ"
            ],
            [
              "線",
              "せん"
            ]
          ],
          "word": "放物線"
        },
        {
          "roman": "sōkyokusen",
          "ruby": [
            [
              "双",
              "そう"
            ],
            [
              "曲",
              "きょく"
            ],
            [
              "線",
              "せん"
            ]
          ],
          "word": "双曲線"
        }
      ],
      "wikipedia": [
        "ja:"
      ]
    }
  ],
  "sounds": [
    {
      "other": "だえん"
    },
    {
      "ipa": "[da̠ẽ̞ɴ]"
    }
  ],
  "word": "楕円"
}

{
  "forms": [
    {
      "form": "楕円 ^",
      "ruby": [
        [
          "楕",
          "だ"
        ],
        [
          "円",
          "えん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "daen",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "dawen",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "だゑん",
      "roman": "dawen",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "楕圓",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "だえん",
        "hhira": "だゑん"
      },
      "expansion": "楕(だ)円(えん) • (daen) ^(←だゑん (dawen)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "ensui kyokusen",
      "ruby": [
        [
          "円",
          "えん"
        ],
        [
          "錐",
          "すい"
        ],
        [
          "曲",
          "きょく"
        ],
        [
          "線",
          "せん"
        ]
      ],
      "word": "円錐曲線"
    },
    {
      "roman": "hōbutsusen",
      "ruby": [
        [
          "放",
          "ほう"
        ],
        [
          "物",
          "ぶつ"
        ],
        [
          "線",
          "せん"
        ]
      ],
      "word": "放物線"
    },
    {
      "roman": "sōkyokusen",
      "ruby": [
        [
          "双",
          "そう"
        ],
        [
          "曲",
          "きょく"
        ],
        [
          "線",
          "せん"
        ]
      ],
      "word": "双曲線"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms historically spelled with ゑ",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with jinmeiyō kanji",
        "Japanese terms spelled with 円 read as えん",
        "Japanese terms spelled with 楕 read as だ",
        "Japanese terms with 2 kanji",
        "Japanese terms with Heiban pitch accent (Tōkyō)",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Shapes"
      ],
      "glosses": [
        "an ellipse"
      ],
      "links": [
        [
          "ellipse",
          "ellipse"
        ]
      ],
      "wikipedia": [
        "ja:"
      ]
    }
  ],
  "sounds": [
    {
      "other": "だえん"
    },
    {
      "ipa": "[da̠ẽ̞ɴ]"
    }
  ],
  "word": "楕円"
}