"grindcore" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grind",
        "3": "core",
        "id2": "music"
      },
      "expansion": "grind + -core",
      "name": "suffix"
    }
  ],
  "etymology_text": "grind + -core",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "grindcore (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"
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          "source": "w"
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          "parents": [
            "Entries with topic categories using raw markup",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -core (music)",
          "parents": [],
          "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 death metal music or hardcore punk, incorporating aggressive guitar riffs, extremely rapid drumming and loud, undecipherable screaming."
      ],
      "id": "en-grindcore-en-noun-eBc9vs6Y",
      "links": [
        [
          "genre",
          "genre"
        ],
        [
          "death metal",
          "death metal"
        ],
        [
          "hardcore punk",
          "hardcore punk"
        ],
        [
          "aggressive",
          "aggressive"
        ],
        [
          "guitar",
          "guitar"
        ],
        [
          "riff",
          "riff"
        ],
        [
          "undecipherable",
          "undecipherable"
        ]
      ],
      "synonyms": [
        {
          "word": "grind"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "niǎnhé",
          "sense": "music genre",
          "word": "碾核"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "music genre",
          "tags": [
            "masculine"
          ],
          "word": "grindcore"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "graindḳori",
          "sense": "music genre",
          "word": "გრაინდკორი"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "geuraindeuko'eo",
          "sense": "music genre",
          "word": "그라인드코어"
        }
      ],
      "wikipedia": [
        "grindcore"
      ]
    }
  ],
  "word": "grindcore"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grind",
        "3": "core",
        "id2": "music"
      },
      "expansion": "grind + -core",
      "name": "suffix"
    }
  ],
  "etymology_text": "grind + -core",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "grindcore (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -core (music)",
        "English uncountable nouns",
        "en:Musical genres"
      ],
      "glosses": [
        "A genre of death metal music or hardcore punk, incorporating aggressive guitar riffs, extremely rapid drumming and loud, undecipherable screaming."
      ],
      "links": [
        [
          "genre",
          "genre"
        ],
        [
          "death metal",
          "death metal"
        ],
        [
          "hardcore punk",
          "hardcore punk"
        ],
        [
          "aggressive",
          "aggressive"
        ],
        [
          "guitar",
          "guitar"
        ],
        [
          "riff",
          "riff"
        ],
        [
          "undecipherable",
          "undecipherable"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "grindcore"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "grind"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "niǎnhé",
      "sense": "music genre",
      "word": "碾核"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "music genre",
      "tags": [
        "masculine"
      ],
      "word": "grindcore"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "graindḳori",
      "sense": "music genre",
      "word": "გრაინდკორი"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "geuraindeuko'eo",
      "sense": "music genre",
      "word": "그라인드코어"
    }
  ],
  "word": "grindcore"
}