FOIL 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. Foil stone, an imitation of a jewel or precious stone.
FRENCH a.
which affords a saffron, green or purple pigment. -- French casement (Arch.) See French window, under Window. -- French chalk (Min.), a variety of granular talc; -- used for drawing lines on cloth, etc. See under Chalk. -- French cowslip (Bot.) The Primula Auricula. See Bear's-ear. -- French fake (Naut.), a mode of…
GLASS n.
by fusing together sand or silica with lime, potash, soda, or lead oxide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament.
GOTHIC a.
Of or pertaining to a style of architecture with pointed arches, steep roofs, windows large in proportion to the wall spaces, and, generally, great height in proportion to the other dimensions -- prevalent in Western Europe from about 1200 to 1475 a. d. See Illust. of Abacus, and Capital.