"slammaster" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "slam",
        "3": "master"
      },
      "expansion": "slam + master",
      "name": "compound"
    }
  ],
  "etymology_text": "From slam + master.",
  "forms": [
    {
      "form": "slammasters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slammaster (plural slammasters)",
      "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"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A person whose role at poetry slams is a cross between that of a host and an emcee."
      ],
      "id": "en-slammaster-en-noun-rdK7iUz~",
      "links": [
        [
          "poetry slam",
          "poetry slam"
        ],
        [
          "host",
          "host"
        ],
        [
          "emcee",
          "emcee"
        ]
      ]
    }
  ],
  "word": "slammaster"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "slam",
        "3": "master"
      },
      "expansion": "slam + master",
      "name": "compound"
    }
  ],
  "etymology_text": "From slam + master.",
  "forms": [
    {
      "form": "slammasters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slammaster (plural slammasters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A person whose role at poetry slams is a cross between that of a host and an emcee."
      ],
      "links": [
        [
          "poetry slam",
          "poetry slam"
        ],
        [
          "host",
          "host"
        ],
        [
          "emcee",
          "emcee"
        ]
      ]
    }
  ],
  "word": "slammaster"
}