"progressive rock" meaning in English

{
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      "expansion": "progressive rock (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Musical genres",
          "orig": "en:Musical genres",
          "parents": [
            "Genres",
            "Music",
            "Entertainment",
            "Art",
            "Sound",
            "Culture",
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            "Society",
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          "source": "w"
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      ],
      "glosses": [
        "A rock music genre originating from the late 1960s and early 1970s, heavily influenced by classical music and jazz."
      ],
      "hypernyms": [
        {
          "word": "rock"
        }
      ],
      "id": "en-progressive_rock-en-noun-VL6xCHAz",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "rock music",
          "rock music"
        ],
        [
          "classical music",
          "classical music"
        ],
        [
          "jazz",
          "jazz"
        ]
      ],
      "raw_glosses": [
        "(music) A rock music genre originating from the late 1960s and early 1970s, heavily influenced by classical music and jazz."
      ],
      "synonyms": [
        {
          "word": "prog rock"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "rock subgenre",
          "tags": [
            "masculine"
          ],
          "word": "rock progressif"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "ṗrogresuli roḳi",
          "sense": "rock subgenre",
          "word": "პროგრესული როკი"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "rock subgenre",
          "tags": [
            "masculine"
          ],
          "word": "rock progressivo"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "progressivnyj rok",
          "sense": "rock subgenre",
          "tags": [
            "masculine"
          ],
          "word": "прогрессивный рок"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "prog-rok",
          "sense": "rock subgenre",
          "tags": [
            "masculine"
          ],
          "word": "прог-рок"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "rock subgenre",
          "tags": [
            "masculine"
          ],
          "word": "rock progresivo"
        }
      ]
    }
  ],
  "word": "progressive rock"
}

{
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      "expansion": "progressive rock (uncountable)",
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  "hypernyms": [
    {
      "word": "rock"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A rock music genre originating from the late 1960s and early 1970s, heavily influenced by classical music and jazz."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "rock music",
          "rock music"
        ],
        [
          "classical music",
          "classical music"
        ],
        [
          "jazz",
          "jazz"
        ]
      ],
      "raw_glosses": [
        "(music) A rock music genre originating from the late 1960s and early 1970s, heavily influenced by classical music and jazz."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "prog rock"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "rock subgenre",
      "tags": [
        "masculine"
      ],
      "word": "rock progressif"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "ṗrogresuli roḳi",
      "sense": "rock subgenre",
      "word": "პროგრესული როკი"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "rock subgenre",
      "tags": [
        "masculine"
      ],
      "word": "rock progressivo"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "progressivnyj rok",
      "sense": "rock subgenre",
      "tags": [
        "masculine"
      ],
      "word": "прогрессивный рок"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "prog-rok",
      "sense": "rock subgenre",
      "tags": [
        "masculine"
      ],
      "word": "прог-рок"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "rock subgenre",
      "tags": [
        "masculine"
      ],
      "word": "rock progresivo"
    }
  ],
  "word": "progressive rock"
}