n. Ornamental work consisting of fine gold, silver, or sometimes copper wire, formed into delicate tracery of scrolls, network, and the like, or of minute grains or plates of metal soldered to a background, or of both combined.n. Any kind of ornamental openwork resembling or analogous to filigree.n. Hence Figuratively, anything very delicate, light, and fanciful or showy in structure; especially, anything too delicately formed to be serviceable; something easily destroyed or injured.Composed of filigree: as, a filigree brooch.To ornament with filigree-work.