Tracer/y

1. n. A similar decoration in some styles of vaulting, the ribs of the vault giving off the minor bars of which the tracery is composed.
2. n. Ornamental work with rambled lines.
3. n. The decorative head of a Gothic window.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.