foil

1. v. t. To tread under foot; to trample. Source: opted

2. v. t. To render (an effort or attempt) vain or nugatory; to baffle; to outwit; to balk; to frustrate; to defeat. Source: opted

3. v. t. To blunt; to dull; to spoil; as, to foil the scent in chase. Source: opted

4. v. t. To defile; to soil. Source: opted

5. n. Failure of success when on the point of attainment; defeat; frustration; miscarriage. Source: opted

6. n. A blunt weapon used in fencing, resembling a smallsword in the main, but usually lighter and having a button at the point. Source: opted

7. n. The track or trail of an animal. Source: opted

8. n. A leaf or very thin sheet of metal; as, brass foil; tin foil; gold foil. Source: opted

9. n. A thin leaf of sheet copper silvered and burnished, and afterwards coated with transparent colors mixed with isinglass; -- employed by jewelers to give color or brilliancy to pastes and inferior stones. Source: opted

10. n. Anything that serves by contrast of color or quality to adorn or set off another thing to advantage. Source: opted

11. n. A thin coat of tin, with quicksilver, laid on the back of a looking-glass, to cause reflection. Source: opted

12. n. The space between the cusps in Gothic architecture; a rounded or leaflike ornament, in windows, niches, etc. A group of foils is called trefoil, quatrefoil, quinquefoil, etc., according to the number of arcs of which it is composed. Source: opted

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