from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The operation of aircraft.
  • n. The design, development, and production of aircraft.
  • n. Military aircraft.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The art or science of making and flying aircraft.

from the GNU version of the Collaborative International Dictionary of English

  • n. The art or science of flying.

from The Century Dictionary and Cyclopedia

  • n. The art or act of flying; specifically, the science or art of directing and controlling flying-machines; the art of navigating the air with machines heavier than air.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the art of operating aircraft
  • n. the operation of aircraft to provide transportation
  • n. the aggregation of a country's military aircraft
  • n. travel via aircraft


French, from Latin avis, bird; see awi- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowing from French aviation, from Latin avis (bird), from Proto-Indo-European *awi- (bird). (Wiktionary)



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