Upper part of the nave walls of a church, pierced by a row of windows (for illustration see Section). It is above or ‘clear’ of the aisle and triforium zones and admits light to the nave. By extension, the term is applied to any high-level window....
Gothic pointed arch, vault or window (see Arch, fig., and Vault, fig.). The term is also applied to a diagonal rib of a vault.
Wall composed of two outer skins of ashlar, enclosing a rubble core supporting a passage through the thickness of the wall; it can also be called a double wall, or a thick-wall passage. The outer shell is usually a solid wall pierced by a window while the inner is a more open arcade. The two are connected at the bottom by a flat floor and at the top by a vault or slab (...
Allan M. Brodie and Nicola Coldstream
Stone framework to hold sheets of glass in place within a window opening. Tracery is a particularly characteristic feature of Gothic architecture, appearing first in the late 12th century as a means of creating enlarged window openings. The term is derived from the stage in the construction process in which a window pattern was traced out on a bed of plaster laid on a tracing floor (...