"gamut" meaning in English

{
  "forms": [
    {
      "form": "gamut"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "color gamut"
    },
    {
      "word": "gamut of colours"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Μουσική (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "η πλήρης έκταση (γκάμα) ενός οργάνου"
      ],
      "id": "el-gamut-en-noun-K9w6jb09",
      "raw_tags": [
        "μουσική"
      ]
    },
    {
      "glosses": [
        "το πλήρες εύρος - φάσμα"
      ],
      "id": "el-gamut-en-noun-4y8Gmvzb"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈɡæm.ət"
    }
  ],
  "word": "gamut"
}

{
  "forms": [
    {
      "form": "gamut"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "color gamut"
    },
    {
      "word": "gamut of colours"
    }
  ],
  "senses": [
    {
      "categories": [
        "Μουσική (αγγλικά)"
      ],
      "glosses": [
        "η πλήρης έκταση (γκάμα) ενός οργάνου"
      ],
      "raw_tags": [
        "μουσική"
      ]
    },
    {
      "glosses": [
        "το πλήρες εύρος - φάσμα"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "ˈɡæm.ət"
    }
  ],
  "word": "gamut"
}