Meaning of flyoff

fly•off

Pronunciation: (flī'ôf", -of"), [key]
— n.
  1. evapotranspiration (def. 1).
  2. a competition between aircraft of various manufacturers to establish superior performance, esp. in order to gain a government contract.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.