empennage

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noun em·pen·nage \ˌäm-pə-ˈnäzh, ˌem-\

Definition of empennage

  1. :  the tail assembly of an airplane

Origin and Etymology of empennage

French, feathers of an arrow, empennage, from empenner to feather an arrow, from em- 1en- + penne feather, from Middle French — more at pen


First Known Use: 1909


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to decrease in size, extent, or degree

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