"power-up" meaning in English

{
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    {
      "args": {
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        "2": "ja",
        "3": "パワーアップ",
        "tr": "pawā-appu"
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      "expansion": "Calque of Japanese パワーアップ (pawā-appu)",
      "name": "cal"
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    {
      "args": {
        "1": "en",
        "2": "power",
        "3": "up"
      },
      "expansion": "power + up",
      "name": "com"
    }
  ],
  "etymology_text": "Calque of Japanese パワーアップ (pawā-appu), equivalent to English power + up",
  "forms": [
    {
      "form": "power-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "power-up (plural power-ups)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Video games",
          "orig": "en:Video games",
          "parents": [
            "Games",
            "Mass media",
            "Software",
            "Recreation",
            "Culture",
            "Media",
            "Computing",
            "Human activity",
            "Society",
            "Communication",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An item that alters the game in a positive way once that item is used."
      ],
      "id": "en-power-up-en-noun-0ntZllJK",
      "links": [
        [
          "video game",
          "video game"
        ]
      ],
      "raw_glosses": [
        "(video games) An item that alters the game in a positive way once that item is used."
      ],
      "topics": [
        "video-games"
      ],
      "wikipedia": [
        "power-up"
      ]
    }
  ],
  "word": "power-up"
}

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        "3": "パワーアップ",
        "tr": "pawā-appu"
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      "args": {
        "1": "en",
        "2": "power",
        "3": "up"
      },
      "expansion": "power + up",
      "name": "com"
    }
  ],
  "etymology_text": "Calque of Japanese パワーアップ (pawā-appu), equivalent to English power + up",
  "forms": [
    {
      "form": "power-ups",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {},
      "expansion": "power-up (plural power-ups)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Video games"
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      "glosses": [
        "An item that alters the game in a positive way once that item is used."
      ],
      "links": [
        [
          "video game",
          "video game"
        ]
      ],
      "raw_glosses": [
        "(video games) An item that alters the game in a positive way once that item is used."
      ],
      "topics": [
        "video-games"
      ],
      "wikipedia": [
        "power-up"
      ]
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  "word": "power-up"
}