Definition of foiling:
(n) :
The act by which something is foiled; prevention of success.
(n) :
(architecture) A foil.
(n) :
(hunting) The track of game, such as deer, in the grass.
(n) :
(nautical) Clipping of hydrofoiling (“the action of sustained hydrodynamic lift on hydrofoils lifting the vessel hull lifted out of the water, for sustained motion across water”).