• a light slender flexible sword tipped by a button
• a piece of thin and flexible sheet metal; "the photographic film was wrapped in Foil"
• 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; "the fins of a fish act as hydroFoils"
• anything that serves by contrast to call attention to another thing''s good qualities; "pretty girls like plain friends as Foils"
• cover or back with Foil; "Foil mirrors"
• hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth''s amazing September surge"; "Foil your opponent"
• enhance by contrast; "In this picture, the figures are Foiled against the background"

'Foil' in other languages