"sack-back" meaning in English

{
  "forms": [
    {
      "form": "sack-backs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sack-back (plural sack-backs)",
      "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"
        },
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          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English rhyming pairs",
          "parents": [],
          "source": "w"
        },
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          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        }
      ],
      "glosses": [
        "A kind of fashionable gown worn by women in the 18th century, having fabric at the back arranged in box pleats which fell loose from the shoulder to the floor with a slight train."
      ],
      "id": "en-sack-back-en-noun-j1V~qWwE",
      "links": [
        [
          "fashionable",
          "fashionable"
        ],
        [
          "gown",
          "gown"
        ],
        [
          "box pleat",
          "box pleat"
        ],
        [
          "train",
          "train"
        ]
      ],
      "raw_glosses": [
        "(often attributive) A kind of fashionable gown worn by women in the 18th century, having fabric at the back arranged in box pleats which fell loose from the shoulder to the floor with a slight train."
      ],
      "tags": [
        "attributive",
        "often"
      ],
      "wikipedia": [
        "Sack-back gown"
      ]
    }
  ],
  "word": "sack-back"
}

{
  "forms": [
    {
      "form": "sack-backs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sack-back (plural sack-backs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English rhyming pairs",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "A kind of fashionable gown worn by women in the 18th century, having fabric at the back arranged in box pleats which fell loose from the shoulder to the floor with a slight train."
      ],
      "links": [
        [
          "fashionable",
          "fashionable"
        ],
        [
          "gown",
          "gown"
        ],
        [
          "box pleat",
          "box pleat"
        ],
        [
          "train",
          "train"
        ]
      ],
      "raw_glosses": [
        "(often attributive) A kind of fashionable gown worn by women in the 18th century, having fabric at the back arranged in box pleats which fell loose from the shoulder to the floor with a slight train."
      ],
      "tags": [
        "attributive",
        "often"
      ],
      "wikipedia": [
        "Sack-back gown"
      ]
    }
  ],
  "word": "sack-back"
}