"in battery" meaning in English

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  "lang_code": "en",
  "pos": "prep_phrase",
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          "orig": "en:Firearms",
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      "glosses": [
        "Of a firearm, in the firing position after recovery from the recoil of a previous discharge."
      ],
      "id": "en-in_battery-en-prep_phrase-Zcr6ajUB",
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        [
          "firearm",
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          "firing",
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          "recovery",
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          "recoil",
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          "previous",
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        [
          "discharge",
          "discharge"
        ]
      ],
      "raw_glosses": [
        "(firearms) Of a firearm, in the firing position after recovery from the recoil of a previous discharge."
      ],
      "topics": [
        "engineering",
        "firearms",
        "government",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "tools",
        "war",
        "weaponry"
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  "word": "in battery"
}

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  "lang_code": "en",
  "pos": "prep_phrase",
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      "glosses": [
        "Of a firearm, in the firing position after recovery from the recoil of a previous discharge."
      ],
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        [
          "firearm",
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          "firing",
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          "recoil",
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        ],
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          "previous",
          "previous"
        ],
        [
          "discharge",
          "discharge"
        ]
      ],
      "raw_glosses": [
        "(firearms) Of a firearm, in the firing position after recovery from the recoil of a previous discharge."
      ],
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        "engineering",
        "firearms",
        "government",
        "military",
        "natural-sciences",
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  ],
  "word": "in battery"
}