"steel drum" meaning in English

{
  "forms": [
    {
      "form": "steel drums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "steeldrum",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "steel drum (plural steel drums)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Percussion instruments",
          "orig": "en:Percussion instruments",
          "parents": [
            "Musical instruments",
            "Music",
            "Tools",
            "Art",
            "Sound",
            "Technology",
            "Culture",
            "Energy",
            "All topics",
            "Society",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "steel drummer"
        }
      ],
      "glosses": [
        "Synonym of steelpan"
      ],
      "id": "en-steel_drum-en-noun-H1-EtDcL",
      "links": [
        [
          "steelpan",
          "steelpan#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "steelpan"
        }
      ]
    }
  ],
  "word": "steel drum"
}

{
  "derived": [
    {
      "word": "steel drummer"
    }
  ],
  "forms": [
    {
      "form": "steel drums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "steeldrum",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "steel drum (plural steel drums)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Percussion instruments"
      ],
      "glosses": [
        "Synonym of steelpan"
      ],
      "links": [
        [
          "steelpan",
          "steelpan#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "steelpan"
        }
      ]
    }
  ],
  "word": "steel drum"
}