"aqua walking" meaning in English

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      "expansion": "aqua walking (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Exercise",
          "orig": "en:Exercise",
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      "coordinate_terms": [
        {
          "word": "aqua jogging"
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      "glosses": [
        "Underwater walking, as a form of exercise."
      ],
      "id": "en-aqua_walking-en-noun-Cqm4TTPZ",
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        [
          "Underwater",
          "underwater"
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          "walking",
          "walking"
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      "tags": [
        "uncountable"
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      "translations": [
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "akuauōkingu",
          "sense": "aquatic walking",
          "word": "アクアウオーキング"
        }
      ]
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  "word": "aqua walking"
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      "word": "aqua jogging"
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      "expansion": "aqua walking (uncountable)",
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  "lang_code": "en",
  "pos": "noun",
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          "walking",
          "walking"
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  "translations": [
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "akuauōkingu",
      "sense": "aquatic walking",
      "word": "アクアウオーキング"
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  "word": "aqua walking"
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