noun, plural trac·er·ies.
- ornamental work consisting of ramified ribs, bars, or the like, as in the upper part of a Gothic window, in panels, screens, etc.
- any delicate, interlacing work of lines, threads, etc., as in carving or embroidery; network.
noun plural -eries
- a pattern of interlacing ribs, esp as used in the upper part of a Gothic window, etc
- any fine pattern resembling this
mid-15c., “a place for drawing,” formed in English from trace (v.) + -ery. Architectural sense, in reference to intersecting rib work in the upper part of a gothic window, is attested from 1660s. “Introduced by Wren, who described it as a masons’ term,” according to Weekley.