"formal swap" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "formal",
        "3": "swap",
        "alt1": "formal (hall)"
      },
      "expansion": "formal (hall) + swap",
      "name": "affix"
    }
  ],
  "etymology_text": "From formal (hall) + swap.",
  "forms": [
    {
      "form": "formal swaps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "formal swap (plural formal swaps)",
      "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"
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          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Universities",
          "orig": "en:Universities",
          "parents": [
            "Schools",
            "Buildings",
            "Education",
            "Buildings and structures",
            "Society",
            "Architecture",
            "All topics",
            "Applied sciences",
            "Art",
            "Fundamental",
            "Sciences",
            "Culture"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A social meal between two university societies (a swap) held at a formal hall; generally less associated with drinking games and rowdy behaviour."
      ],
      "id": "en-formal_swap-en-noun-Zao7C9yi",
      "links": [
        [
          "slang",
          "slang"
        ],
        [
          "university",
          "university"
        ],
        [
          "societies",
          "society"
        ],
        [
          "swap",
          "swap"
        ],
        [
          "formal hall",
          "formal hall"
        ],
        [
          "drinking game",
          "drinking game"
        ],
        [
          "rowdy",
          "rowdy"
        ]
      ],
      "qualifier": "Cambridge University slang",
      "raw_glosses": [
        "(Cambridge University slang) A social meal between two university societies (a swap) held at a formal hall; generally less associated with drinking games and rowdy behaviour."
      ]
    }
  ],
  "word": "formal swap"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "formal",
        "3": "swap",
        "alt1": "formal (hall)"
      },
      "expansion": "formal (hall) + swap",
      "name": "affix"
    }
  ],
  "etymology_text": "From formal (hall) + swap.",
  "forms": [
    {
      "form": "formal swaps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "formal swap (plural formal swaps)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Cambridge University slang",
        "English compound terms",
        "English countable nouns",
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        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Universities"
      ],
      "glosses": [
        "A social meal between two university societies (a swap) held at a formal hall; generally less associated with drinking games and rowdy behaviour."
      ],
      "links": [
        [
          "slang",
          "slang"
        ],
        [
          "university",
          "university"
        ],
        [
          "societies",
          "society"
        ],
        [
          "swap",
          "swap"
        ],
        [
          "formal hall",
          "formal hall"
        ],
        [
          "drinking game",
          "drinking game"
        ],
        [
          "rowdy",
          "rowdy"
        ]
      ],
      "qualifier": "Cambridge University slang",
      "raw_glosses": [
        "(Cambridge University slang) A social meal between two university societies (a swap) held at a formal hall; generally less associated with drinking games and rowdy behaviour."
      ]
    }
  ],
  "word": "formal swap"
}