"floor piano" meaning in English

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      "expansion": "floor piano (plural floor pianos)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2007, Katharine Smithrim, Rena Upitis, Listen to Their Voices, page 40:",
          "text": "String instruments such as a guitar, ukulele, autoharp, a folk harp, and a small violin provide exploration with vibrating strings, and electronic keyboards and a floor piano give children experience on keyboards.",
          "type": "quote"
        },
        {
          "ref": "2008, David Smiedt, Are We There Yet?: Chasing a Childhood Through South Africa:",
          "text": "One of the items on display was a floor piano on which I played a swinging version of \"When the Saints Go Marching In\" and was rewarded with spontaneous ambivalence from those around me.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A large, flat novelty electronic piano-style keyboard played by stepping on the keys."
      ],
      "id": "en-floor_piano-en-noun-0Iu804t7",
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          "novelty",
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          "electronic",
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        [
          "piano",
          "piano"
        ],
        [
          "keyboard",
          "keyboard"
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        [
          "step",
          "step"
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        [
          "key",
          "key"
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    }
  ],
  "word": "floor piano"
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  "forms": [
    {
      "form": "floor pianos",
      "tags": [
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      "expansion": "floor piano (plural floor pianos)",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2007, Katharine Smithrim, Rena Upitis, Listen to Their Voices, page 40:",
          "text": "String instruments such as a guitar, ukulele, autoharp, a folk harp, and a small violin provide exploration with vibrating strings, and electronic keyboards and a floor piano give children experience on keyboards.",
          "type": "quote"
        },
        {
          "ref": "2008, David Smiedt, Are We There Yet?: Chasing a Childhood Through South Africa:",
          "text": "One of the items on display was a floor piano on which I played a swinging version of \"When the Saints Go Marching In\" and was rewarded with spontaneous ambivalence from those around me.",
          "type": "quote"
        }
      ],
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        "A large, flat novelty electronic piano-style keyboard played by stepping on the keys."
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          "step"
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          "key"
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  "word": "floor piano"
}