"cool jazz" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "cool jazz (uncountable)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Jazz",
          "orig": "en:Jazz",
          "parents": [
            "Musical genres",
            "Genres",
            "Music",
            "Entertainment",
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Musical genres",
          "orig": "en:Musical genres",
          "parents": [
            "Genres",
            "Music",
            "Entertainment",
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A genre of jazz associated with a light, calm sound and a West Coast aesthetic."
      ],
      "id": "en-cool_jazz-en-noun-VbDXQqoe",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "jazz",
          "jazz#Noun"
        ],
        [
          "jazz",
          "jazz"
        ]
      ],
      "qualifier": "jazz",
      "raw_glosses": [
        "(music, jazz) A genre of jazz associated with a light, calm sound and a West Coast aesthetic."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ],
      "translations": [
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "kul-džaz",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "кул-джаз"
        }
      ]
    }
  ],
  "word": "cool jazz"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "cool jazz (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Terms with Russian translations",
        "Translation table header lacks gloss",
        "en:Jazz",
        "en:Musical genres"
      ],
      "glosses": [
        "A genre of jazz associated with a light, calm sound and a West Coast aesthetic."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "jazz",
          "jazz#Noun"
        ],
        [
          "jazz",
          "jazz"
        ]
      ],
      "qualifier": "jazz",
      "raw_glosses": [
        "(music, jazz) A genre of jazz associated with a light, calm sound and a West Coast aesthetic."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "kul-džaz",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "кул-джаз"
    }
  ],
  "word": "cool jazz"
}