"box party" meaning in English

{
  "forms": [
    {
      "form": "box parties",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "box party (plural box parties)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1909, “\"How Can He Do It?\"”, in Notions and Fancy Goods, volume 43, page 30",
          "text": "The misguided youngsters are yachting, attending the races, playing the \"stage Johnny,\" automobiling, playing poker for high stakes, overliving at home, on expensive shopping tours, attending box parties to the theatre, visiting high-priced restaurants, etc., etc.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A box social"
      ],
      "id": "en-box_party-en-noun-n-oiNAb3",
      "links": [
        [
          "box social",
          "box social"
        ]
      ]
    }
  ],
  "word": "box party"
}

{
  "forms": [
    {
      "form": "box parties",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "box party (plural box parties)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1909, “\"How Can He Do It?\"”, in Notions and Fancy Goods, volume 43, page 30",
          "text": "The misguided youngsters are yachting, attending the races, playing the \"stage Johnny,\" automobiling, playing poker for high stakes, overliving at home, on expensive shopping tours, attending box parties to the theatre, visiting high-priced restaurants, etc., etc.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A box social"
      ],
      "links": [
        [
          "box social",
          "box social"
        ]
      ]
    }
  ],
  "word": "box party"
}