"auxiliary power unit" meaning in English

{
  "forms": [
    {
      "form": "auxiliary power units",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "auxiliary power unit (plural auxiliary power units)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        },
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          "name": "Terms with Ukrainian translations",
          "parents": [],
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running."
      ],
      "id": "en-auxiliary_power_unit-en-noun-iUHxxJsB",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "generator",
          "generator"
        ],
        [
          "aircraft",
          "aircraft"
        ],
        [
          "vehicle",
          "vehicle"
        ],
        [
          "electric",
          "electric"
        ],
        [
          "lighting",
          "lighting"
        ],
        [
          "engine",
          "engine"
        ]
      ],
      "raw_glosses": [
        "(aviation) A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running."
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "dopomížná sylová ustanóvka",
          "sense": "generator for providing electric power especially when the main engines are not running",
          "tags": [
            "feminine"
          ],
          "word": "допомі́жна́ силова́ устано́вка"
        }
      ],
      "wikipedia": [
        "auxiliary power unit"
      ]
    }
  ],
  "word": "auxiliary power unit"
}

{
  "forms": [
    {
      "form": "auxiliary power units",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "auxiliary power unit (plural auxiliary power units)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Ukrainian translations",
        "en:Aviation"
      ],
      "glosses": [
        "A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "generator",
          "generator"
        ],
        [
          "aircraft",
          "aircraft"
        ],
        [
          "vehicle",
          "vehicle"
        ],
        [
          "electric",
          "electric"
        ],
        [
          "lighting",
          "lighting"
        ],
        [
          "engine",
          "engine"
        ]
      ],
      "raw_glosses": [
        "(aviation) A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running."
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "auxiliary power unit"
      ]
    }
  ],
  "translations": [
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "dopomížná sylová ustanóvka",
      "sense": "generator for providing electric power especially when the main engines are not running",
      "tags": [
        "feminine"
      ],
      "word": "допомі́жна́ силова́ устано́вка"
    }
  ],
  "word": "auxiliary power unit"
}