"universal set" meaning in English

{
  "forms": [
    {
      "form": "universal sets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "universal set (plural universal sets)",
      "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": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic 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": "other",
          "langcode": "en",
          "name": "Infinity",
          "orig": "en:Infinity",
          "parents": [],
          "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 set large enough to contain all sets under consideration in the current context."
      ],
      "id": "en-universal_set-en-noun-FwNK~cij",
      "links": [
        [
          "set theory",
          "set theory"
        ],
        [
          "set",
          "set"
        ]
      ],
      "raw_glosses": [
        "(set theory) A set large enough to contain all sets under consideration in the current context."
      ],
      "synonyms": [
        {
          "word": "universal class"
        },
        {
          "word": "universe"
        }
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "quánjí",
          "sense": "set",
          "word": "全集"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "set",
          "word": "universaalijoukko"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "set",
          "tags": [
            "masculine"
          ],
          "word": "Universum"
        },
        {
          "alt": "ふへんしゅうごう",
          "code": "ja",
          "lang": "Japanese",
          "roman": "fuhen shūgō",
          "sense": "set",
          "word": "普遍集合"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "set",
          "tags": [
            "neuter"
          ],
          "word": "set universal"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "set",
          "tags": [
            "masculine"
          ],
          "word": "univerzalni skup"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "set",
          "word": "lahatang tangkas"
        },
        {
          "code": "cy",
          "lang": "Welsh",
          "sense": "set",
          "tags": [
            "feminine"
          ],
          "word": "set gynhwysol"
        }
      ],
      "wikipedia": [
        "universal set"
      ]
    }
  ],
  "word": "universal set"
}

{
  "forms": [
    {
      "form": "universal sets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "universal set (plural universal sets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Infinity",
        "en:Set theory"
      ],
      "glosses": [
        "A set large enough to contain all sets under consideration in the current context."
      ],
      "links": [
        [
          "set theory",
          "set theory"
        ],
        [
          "set",
          "set"
        ]
      ],
      "raw_glosses": [
        "(set theory) A set large enough to contain all sets under consideration in the current context."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ],
      "wikipedia": [
        "universal set"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "universal class"
    },
    {
      "word": "universe"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "quánjí",
      "sense": "set",
      "word": "全集"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "set",
      "word": "universaalijoukko"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "set",
      "tags": [
        "masculine"
      ],
      "word": "Universum"
    },
    {
      "alt": "ふへんしゅうごう",
      "code": "ja",
      "lang": "Japanese",
      "roman": "fuhen shūgō",
      "sense": "set",
      "word": "普遍集合"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "set",
      "tags": [
        "neuter"
      ],
      "word": "set universal"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "set",
      "tags": [
        "masculine"
      ],
      "word": "univerzalni skup"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "set",
      "word": "lahatang tangkas"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "set",
      "tags": [
        "feminine"
      ],
      "word": "set gynhwysol"
    }
  ],
  "word": "universal set"
}