"bass trombone" meaning in English

{
  "forms": [
    {
      "form": "bass trombones",
      "tags": [
        "plural"
      ]
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  ],
  "head_templates": [
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      "args": {},
      "expansion": "bass trombone (plural bass trombones)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Brass instruments",
          "orig": "en:Brass instruments",
          "parents": [
            "Wind instruments",
            "Musical instruments",
            "Music",
            "Tools",
            "Art",
            "Sound",
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            "All topics",
            "Society",
            "Nature",
            "Fundamental"
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      "glosses": [
        "A trombone with the same fundamental pitch as the tenor, typically has two valves, a wider bore, and larger bell. These help to produce a fuller, weightier, sound, and help play better in the lower register."
      ],
      "id": "en-bass_trombone-en-noun-btttLDTp",
      "wikipedia": [
        "bass trombone"
      ]
    }
  ],
  "word": "bass trombone"
}

{
  "forms": [
    {
      "form": "bass trombones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bass trombone (plural bass trombones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Brass instruments"
      ],
      "glosses": [
        "A trombone with the same fundamental pitch as the tenor, typically has two valves, a wider bore, and larger bell. These help to produce a fuller, weightier, sound, and help play better in the lower register."
      ],
      "wikipedia": [
        "bass trombone"
      ]
    }
  ],
  "word": "bass trombone"
}