Base, (1) the light-tinted glass, white, greenish or yellow, on which the thin film of ruby or blue is imposed in "flashed" glasses; (2) the support of the niche on which the figure stands in "canopy work."
Borrowed light, a light not coming direct from daylight, but from the interior light of a building as in the case of a screen of glass. (The result is similar when a window is seen against near background of trees or buildings.)
Calm (of lead), the strip of lead, 3 to 4 feet long, as used for leading up the glass.
Canopy or "tabernacle work," the architectural framing in imitation of a carved niche in which the figure is placed. The vertical supports (sometimes used alone to frame in the whole light) are called "shafting."
Cartoon, the design of the window, full size, on paper.
Chasuble, the outermost sacrificial vestment of a bishop or priest.
Cope, the outermost ceremonial and processional vestment of a bishop or priest.
Core (of lead), the crossbar of the "H" section as shown in fig. 34.
Crocketting, the ornamenting of any architectural member at intervals with sculptured bosses or crockets.
Cullet, the waste cuttings of glass. Generally used over again in greater or less quantity as an ingredient in the making of new glass.