"Seifert fiber space" meaning in English

{
  "etymology_text": "Named after Herbert Seifert.",
  "forms": [
    {
      "form": "Seifert fiber spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Seifert fiber space (plural Seifert fiber spaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Topology",
          "orig": "en:Topology",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A fiber bundle whose fiber is the circle and whose base space is a two-dimensional orbifold."
      ],
      "id": "en-Seifert_fiber_space-en-noun-p7i9nE-N",
      "links": [
        [
          "topology",
          "topology"
        ],
        [
          "fiber bundle",
          "fiber bundle"
        ],
        [
          "fiber",
          "fiber"
        ],
        [
          "circle",
          "circle"
        ],
        [
          "base space",
          "base space"
        ],
        [
          "-dimensional",
          "-dimensional"
        ],
        [
          "orbifold",
          "orbifold"
        ]
      ],
      "raw_glosses": [
        "(topology, chiefly US) A fiber bundle whose fiber is the circle and whose base space is a two-dimensional orbifold."
      ],
      "synonyms": [
        {
          "tags": [
            "US"
          ],
          "word": "Seifert fibered space"
        },
        {
          "english": "British and Canadian",
          "word": "Seifert fibre space"
        },
        {
          "english": "British and Canadian",
          "word": "Seifert fibred space"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "wikipedia": [
        "Herbert Seifert",
        "Seifert fiber space"
      ]
    }
  ],
  "word": "Seifert fiber space"
}

{
  "etymology_text": "Named after Herbert Seifert.",
  "forms": [
    {
      "form": "Seifert fiber spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Seifert fiber space (plural Seifert fiber spaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Topology"
      ],
      "glosses": [
        "A fiber bundle whose fiber is the circle and whose base space is a two-dimensional orbifold."
      ],
      "links": [
        [
          "topology",
          "topology"
        ],
        [
          "fiber bundle",
          "fiber bundle"
        ],
        [
          "fiber",
          "fiber"
        ],
        [
          "circle",
          "circle"
        ],
        [
          "base space",
          "base space"
        ],
        [
          "-dimensional",
          "-dimensional"
        ],
        [
          "orbifold",
          "orbifold"
        ]
      ],
      "raw_glosses": [
        "(topology, chiefly US) A fiber bundle whose fiber is the circle and whose base space is a two-dimensional orbifold."
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "wikipedia": [
        "Herbert Seifert",
        "Seifert fiber space"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "US"
      ],
      "word": "Seifert fibered space"
    },
    {
      "english": "British and Canadian",
      "word": "Seifert fibre space"
    },
    {
      "english": "British and Canadian",
      "word": "Seifert fibred space"
    }
  ],
  "word": "Seifert fiber space"
}