"shadow boxing" meaning in English

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  "lang_code": "en",
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          "name": "Boxing",
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      "glosses": [
        "The action of practicing moves where the opponent is the boxer's own shadow."
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          "practicing",
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          "boxer",
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        [
          "shadow",
          "shadow"
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        "(boxing) The action of practicing moves where the opponent is the boxer's own shadow."
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        "boxing",
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      "translations": [
        {
          "code": "grc",
          "lang": "Ancient Greek",
          "roman": "skiamakhía",
          "sense": "practicing boxing moves against one's shadow",
          "tags": [
            "feminine"
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          "word": "σκιαμαχία"
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  "word": "shadow boxing"
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  "lang_code": "en",
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          "word": "shadow box"
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        "present participle and gerund of shadow box"
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  "word": "shadow boxing"
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
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      "glosses": [
        "The action of practicing moves where the opponent is the boxer's own shadow."
      ],
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          "practicing",
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          "boxer",
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        "(boxing) The action of practicing moves where the opponent is the boxer's own shadow."
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        "boxing",
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    {
      "code": "grc",
      "lang": "Ancient Greek",
      "roman": "skiamakhía",
      "sense": "practicing boxing moves against one's shadow",
      "tags": [
        "feminine"
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      "word": "σκιαμαχία"
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  "word": "shadow boxing"
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        "present participle and gerund of shadow box"
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