"progressive longways formation" meaning in English

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      "expansion": "progressive longways formation",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "American English",
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      "glosses": [
        "A country dance, most often specifically a type of New England line dance."
      ],
      "id": "en-progressive_longways_formation-en-noun-nZyZaIS3",
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        [
          "country dance",
          "country dance"
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        [
          "line dance",
          "line dance"
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      "raw_glosses": [
        "(obsolete, 18th century, US) A country dance, most often specifically a type of New England line dance."
      ],
      "tags": [
        "US",
        "obsolete"
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    }
  ],
  "word": "progressive longways formation"
}

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      "expansion": "progressive longways formation",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A country dance, most often specifically a type of New England line dance."
      ],
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        [
          "country dance",
          "country dance"
        ],
        [
          "line dance",
          "line dance"
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        "(obsolete, 18th century, US) A country dance, most often specifically a type of New England line dance."
      ],
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        "US",
        "obsolete"
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    }
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  "word": "progressive longways formation"
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