"Kurepa tree" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "mathematician",
        "2": "",
        "3": "",
        "4": "",
        "5": ""
      },
      "expansion": "mathematician",
      "name": "named-after/list"
    },
    {
      "args": {},
      "expansion": "|",
      "name": "!"
    },
    {
      "args": {
        "1": "en",
        "2": "Đuro Kurepa"
      },
      "expansion": "Đuro Kurepa",
      "name": "lang"
    },
    {
      "args": {
        "1": "en",
        "2": "Đuro Kurepa",
        "nat": "Yugoslav",
        "occ": "mathematician",
        "wplink": "Đuro Kurepa"
      },
      "expansion": "Named after Yugoslav mathematician Đuro Kurepa",
      "name": "named-after"
    }
  ],
  "etymology_text": "Named after Yugoslav mathematician Đuro Kurepa.",
  "forms": [
    {
      "form": "Kurepa trees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Kurepa tree (plural Kurepa trees)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Set theory",
          "orig": "en:Set theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A tree (T, <) of height ω₁, each of whose levels is at most countable, and has at least ℵ₂ branches."
      ],
      "hypernyms": [
        {
          "word": "tree"
        }
      ],
      "id": "en-Kurepa_tree-en-noun-8em-tR6V",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "set theory",
          "set theory"
        ],
        [
          "tree",
          "tree"
        ],
        [
          "height",
          "height"
        ],
        [
          "level",
          "level"
        ],
        [
          "countable",
          "countable"
        ],
        [
          "branch",
          "branch"
        ]
      ],
      "raw_glosses": [
        "(mathematics, set theory) A tree (T, <) of height ω₁, each of whose levels is at most countable, and has at least ℵ₂ branches."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ]
    }
  ],
  "word": "Kurepa tree"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mathematician",
        "2": "",
        "3": "",
        "4": "",
        "5": ""
      },
      "expansion": "mathematician",
      "name": "named-after/list"
    },
    {
      "args": {},
      "expansion": "|",
      "name": "!"
    },
    {
      "args": {
        "1": "en",
        "2": "Đuro Kurepa"
      },
      "expansion": "Đuro Kurepa",
      "name": "lang"
    },
    {
      "args": {
        "1": "en",
        "2": "Đuro Kurepa",
        "nat": "Yugoslav",
        "occ": "mathematician",
        "wplink": "Đuro Kurepa"
      },
      "expansion": "Named after Yugoslav mathematician Đuro Kurepa",
      "name": "named-after"
    }
  ],
  "etymology_text": "Named after Yugoslav mathematician Đuro Kurepa.",
  "forms": [
    {
      "form": "Kurepa trees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Kurepa tree (plural Kurepa trees)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "tree"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Mathematics",
        "en:Set theory"
      ],
      "glosses": [
        "A tree (T, <) of height ω₁, each of whose levels is at most countable, and has at least ℵ₂ branches."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "set theory",
          "set theory"
        ],
        [
          "tree",
          "tree"
        ],
        [
          "height",
          "height"
        ],
        [
          "level",
          "level"
        ],
        [
          "countable",
          "countable"
        ],
        [
          "branch",
          "branch"
        ]
      ],
      "raw_glosses": [
        "(mathematics, set theory) A tree (T, <) of height ω₁, each of whose levels is at most countable, and has at least ℵ₂ branches."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ]
    }
  ],
  "word": "Kurepa tree"
}