Pronunciation: (foil),[key] —v.t. 1. to prevent the success of; frustrate; balk: Loyal troops foiled his attempt to overthrow the government. 2. to keep (a person) from succeeding in an enterprise, plan, etc.
—n. Archaic.a defeat; check; repulse.
Pronunciation: (foil),[key] —n. 1. metal in the form of very thin sheets: aluminum foil. 2. the metallic backing applied to glass to form a mirror.
3. a thin layer of metal placed under a gem in a closed setting to improve its color or brilliancy.
4. a person or thing that makes another seem better by contrast: The straight man was an able foil to the comic. 5. Archit.an arc or a rounded space between cusps, as in the tracery of a window or other ornamentation.
6. an airfoil or hydrofoil.
—v.t. 1. to cover or back with foil.
2. to set off by contrast.
Pronunciation: (foil),[key] —n.Fencing. 1. a flexible four-sided rapier having a blunt point.
2. foils,the art or practice of fencing with this weapon, points being made by touching the trunk of the opponent's body with the tip of the weapon.