"contrarotation" meaning in English

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      "expansion": "contra- + rotation",
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  "etymology_text": "From contra- + rotation.",
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      "expansion": "contrarotation (uncountable)",
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  "lang_code": "en",
  "pos": "noun",
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      "_dis1": "0 0",
      "word": "contrarotating"
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      "_dis1": "0 0",
      "word": "counterrotating"
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      "glosses": [
        "Rotation in a contrary direction."
      ],
      "id": "en-contrarotation-en-noun-wgQTjFzU",
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      ],
      "glosses": [
        "The use of a single piston or turboprop engine to drive two propellers in opposite rotation."
      ],
      "id": "en-contrarotation-en-noun-E6ouWApp",
      "links": [
        [
          "piston",
          "piston"
        ],
        [
          "turboprop",
          "turboprop"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "propeller",
          "propeller"
        ],
        [
          "opposite",
          "opposite"
        ],
        [
          "rotation",
          "rotation"
        ]
      ],
      "tags": [
        "uncountable"
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      "translations": [
        {
          "_dis1": "16 84",
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "controrotazione"
        }
      ]
    }
  ],
  "wikipedia": [
    "Contra-rotating propellers"
  ],
  "word": "contrarotation"
}

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  "etymology_text": "From contra- + rotation.",
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  "lang_code": "en",
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    {
      "word": "contrarotating"
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        "Rotation in a contrary direction."
      ],
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    },
    {
      "glosses": [
        "The use of a single piston or turboprop engine to drive two propellers in opposite rotation."
      ],
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        [
          "piston",
          "piston"
        ],
        [
          "turboprop",
          "turboprop"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "propeller",
          "propeller"
        ],
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          "opposite",
          "opposite"
        ],
        [
          "rotation",
          "rotation"
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      ],
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        "uncountable"
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  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "controrotazione"
    }
  ],
  "wikipedia": [
    "Contra-rotating propellers"
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  "word": "contrarotation"
}