'Foil stone' definitions:

Definition of 'Foil stone'

From: GCIDE
  • Foil \Foil\, n. [OE. foil leaf, OF. foil, fuil, fueil, foille, fueille, F. feuille, fr. L. folium, pl. folia; akin to Gr. ?, and perh. to E. blade. Cf. Foliage, Folio.]
  • 1. A leaf or very thin sheet of metal; as, brass foil; tin foil; gold foil. [1913 Webster]
  • 2. (Jewelry) 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. --Ure. [1913 Webster]
  • 3. Anything that serves by contrast of color or quality to adorn or set off another thing to advantage. [1913 Webster]
  • As she a black silk cap on him began To set, for foil of his milk-white to serve. --Sir P. Sidney. [1913 Webster]
  • Hector has a foil to set him off. --Broome. [1913 Webster]
  • 4. A thin coat of tin, with quicksilver, laid on the back of a looking-glass, to cause reflection. [1913 Webster]
  • 5. (Arch.) 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. [1913 Webster]
  • Foil stone, an imitation of a jewel or precious stone. [1913 Webster]