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

  • adj. Preparing for or occurring before flight.
  • transitive v. To check (an aircraft) for airworthiness before flight.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Taking place before the start of a flight
  • n. An inspection of an aircraft before the start of a flight


Sorry, no etymologies found.


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