Flier

n.
  1. One who flies or flees; a runaway; a fugitive.
  2. (Mach.) A fly. See Fly, n., 9, and 13 (b).
  3. (Spinning) See Flyer, n., 5.
  4. (Arch.) See Flyer, n., 4.
  5. An aëroplane or flying machine.