1》 join together (metal parts) by heating the surfaces to the point of melting and pressing or hammering them together.
↘forge (an article) by such means.
2》 cause to combine and form a whole.
■ noun a ~ed joint.
C16 (in the sense 'become united'): alt. (prob. influenced by the past participle) of well 2 in the obs. sense 'melt or ~ (heated metal)'.
■ noun a plant related to mignonette, yielding a yellow dye. [ Reseda luteola .]
ME: related to Du. wouw , perh. also to wold .