Definitions For Foil

noun

• A light slender flexible sword tipped by a button
• A piece of thin and flexible sheet metal
• Picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
• 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
• Anything that serves by contrast to call attention to another thing's good qualities

verb

• Cover or back with foil
• Hinder or prevent (the efforts, plans, or desires) of
• Enhance by contrast