"Cinderella dance" meaning in English

{
  "etymology_text": "In reference to the fairy-tale Cinderella, whose protagonist must leave the ball by midnight before the enchantments allowing her to be there come to an end.",
  "forms": [
    {
      "form": "Cinderella dances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Cinderella dance (plural Cinderella dances)",
      "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 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"
        }
      ],
      "glosses": [
        "An early dancing party ending at midnight."
      ],
      "id": "en-Cinderella_dance-en-noun-CRncjq0H",
      "links": [
        [
          "dancing",
          "dance"
        ],
        [
          "party",
          "party"
        ],
        [
          "midnight",
          "midnight"
        ]
      ],
      "raw_glosses": [
        "(dated) An early dancing party ending at midnight."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "Cinderella dance"
}

{
  "etymology_text": "In reference to the fairy-tale Cinderella, whose protagonist must leave the ball by midnight before the enchantments allowing her to be there come to an end.",
  "forms": [
    {
      "form": "Cinderella dances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Cinderella dance (plural Cinderella dances)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "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"
      ],
      "glosses": [
        "An early dancing party ending at midnight."
      ],
      "links": [
        [
          "dancing",
          "dance"
        ],
        [
          "party",
          "party"
        ],
        [
          "midnight",
          "midnight"
        ]
      ],
      "raw_glosses": [
        "(dated) An early dancing party ending at midnight."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "Cinderella dance"
}