FOIL

Definition of FOIL

  1. (verb)enhance by contrast
  2. (verb)hinder or prevent (the efforts, plans, or desires) of
  3. (verb)cover or back with foil
  4. (noun)a piece of thin and flexible sheet metal
  5. (noun)anything that serves by contrast to call attention to another thing's good qualities
  6. (noun)a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
  7. (noun)picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
  8. (noun)a light slender flexible sword tipped by a button