foil² /foil/

1. A leaf or thin plate of metal, eg tinfoil
2. A mercury coating on a mirror
3. Metal-coated paper
4. A thin leaf of metal put under a precious stone to show it to advantage
5. Anything that serves to set off something else
6. A small arc in tracery
7. An aerofoil or hydrofoil

foiled adjective

• red brick
• redbrick
• red bricks
• Red Brigade
• redbud
• redbuds
• red bush tea
• red cabbage
• red cabbages
• redcap
• redcaps
• red card
• red-card
• red-carded
• red-carding
• red cards
• red-cards
• red carpet
• red-carpet
• red carpets
• red cedar
• red cedars
• red cell
• red cells
• red cent