"slam poetry" meaning in English

{
  "forms": [
    {
      "form": "slam poetries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "slam poetries"
      },
      "expansion": "slam poetry (usually uncountable, plural slam poetries)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Poetry",
          "orig": "en:Poetry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A modern genre of spoken poetry, performed at informal events called poetry slams before an active audience."
      ],
      "id": "en-slam_poetry-en-noun-QDbBUdnr",
      "links": [
        [
          "poetry slam",
          "poetry slam#English"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "wikipedia": [
        "en:slam poetry"
      ]
    }
  ],
  "word": "slam poetry"
}

{
  "forms": [
    {
      "form": "slam poetries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "slam poetries"
      },
      "expansion": "slam poetry (usually uncountable, plural slam poetries)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Poetry"
      ],
      "glosses": [
        "A modern genre of spoken poetry, performed at informal events called poetry slams before an active audience."
      ],
      "links": [
        [
          "poetry slam",
          "poetry slam#English"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "wikipedia": [
        "en:slam poetry"
      ]
    }
  ],
  "word": "slam poetry"
}