"trichord" meaning in English

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        "2": "tri",
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      "expansion": "tri- + chord",
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  "etymology_text": "tri- + chord",
  "forms": [
    {
      "form": "trichords",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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      "word": "interval"
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    {
      "_dis1": "0 0 0",
      "word": "dyad"
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    {
      "_dis1": "0 0 0",
      "word": "hexachord"
    },
    {
      "_dis1": "0 0 0",
      "word": "tetrachord"
    },
    {
      "_dis1": "0 0 0",
      "word": "trichordo"
    }
  ],
  "senses": [
    {
      "categories": [
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          "kind": "topical",
          "langcode": "en",
          "name": "Music",
          "orig": "en:Music",
          "parents": [
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            "Sound",
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          "_dis": "39 46 15",
          "kind": "other",
          "name": "English terms prefixed with tri-",
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      ],
      "glosses": [
        "any set of three different pitch classes"
      ],
      "id": "en-trichord-en-noun-b3fOjLIn",
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          "set",
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        "(music) any set of three different pitch classes"
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      ],
      "glosses": [
        "A musical instrument with three strings, such as a lyre or harp."
      ],
      "id": "en-trichord-en-noun-U7a4y7rn",
      "links": [
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          "string",
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          "lyre",
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          "harp",
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      ],
      "glosses": [
        "The three strings of a note on a piano that are tuned as a unison."
      ],
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      "links": [
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          "string",
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          "unison",
          "unison"
        ]
      ]
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  "word": "trichord"
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  ],
  "etymology_text": "tri- + chord",
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    {
      "form": "trichords",
      "tags": [
        "plural"
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    }
  ],
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  "pos": "noun",
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    {
      "word": "interval"
    },
    {
      "word": "dyad"
    },
    {
      "word": "hexachord"
    },
    {
      "word": "tetrachord"
    },
    {
      "word": "trichordo"
    }
  ],
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        "(music) any set of three different pitch classes"
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      ],
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          "string",
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          "lyre",
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        ],
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          "harp",
          "harp"
        ]
      ]
    },
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        "The three strings of a note on a piano that are tuned as a unison."
      ],
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          "string",
          "string"
        ],
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          "note",
          "note"
        ],
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          "piano",
          "piano"
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          "unison",
          "unison"
        ]
      ]
    }
  ],
  "word": "trichord"
}