"empennage" meaning in English

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      "expansion": "French empennage (“feathers of an arrow”)",
      "name": "bor"
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  "etymology_text": "From French empennage (“feathers of an arrow”).",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The tail assembly of an aircraft."
      ],
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          "tail",
          "tail"
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          "assembly",
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      "glosses": [
        "The feathers of an arrow or the tail fins of a bomb or rocket used to stabilize the longitudinal axis of the projectile parallel to the flight path."
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          "longitudinal",
          "longitudinal"
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          "axis",
          "axis"
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          "projectile",
          "projectile"
        ],
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          "parallel",
          "parallel"
        ],
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          "flight path",
          "flight path"
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      ]
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        ],
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        ],
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      ]
    },
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      "glosses": [
        "The feathers of an arrow or the tail fins of a bomb or rocket used to stabilize the longitudinal axis of the projectile parallel to the flight path."
      ],
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