"playing pendulum" meaning in All languages combined

{
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        "1": "en",
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      "expansion": "playing pendulum",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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      "form_of": [
        {
          "word": "play pendulum"
        }
      ],
      "glosses": [
        "present participle of play pendulum"
      ],
      "id": "en-playing_pendulum-en-verb-ayQC5-iX",
      "links": [
        [
          "play pendulum",
          "play pendulum#English"
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        "participle",
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  ],
  "word": "playing pendulum"
}

{
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      "args": {
        "1": "en",
        "2": "verb form"
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      "expansion": "playing pendulum",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
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        "English non-lemma forms",
        "English verb forms"
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      "form_of": [
        {
          "word": "play pendulum"
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      ],
      "glosses": [
        "present participle of play pendulum"
      ],
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  "word": "playing pendulum"
}