(n.) An herb (Reseda luteola) related to mignonette, growing in Europe, and to some extent in America; dyer's broom; dyer's rocket; dyer's weed; wild woad. It is used by dyers to give a yellow color.
(n.) Coloring matter or dye extracted from this plant.
(v. t.) To press or beat into intimate and permanent union, as two pieces of iron when heated almost to fusion.
(v. t.) Fig.: To unite closely or intimately.
(n.) The state of being welded; the joint made by welding.