Definition of empennage in English:

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empennage

Pronunciation: /ɛmˈpɛnɪdʒ/

noun

Aeronautics
An arrangement of stabilizing surfaces at the tail of an aircraft.
Example sentences
  • The gunner never had a chance as the whole empennage of the aircraft had separated resulting in the bomber spinning out of control.
  • The empennage boom formed a tail cone to the aft beam.
  • The empennage was built integral with the fuselage to ensure absolute rigidity.

Origin

Early 20th century: from French, from empenner 'to feather an arrow', from em- 'in' + penne 'a feather' (from Latin penna).

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