\Weld\, v. t.
To wield. [Obs.] --Chaucer.

\Weld\, n. [OE. welde; akin to Scot. wald, Prov. G. waude,
G. wau, Dan. & Sw. vau, D. wouw.]
1. (Bot.) 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. [Written also {woald},
   {wold}, and {would}.]
2. Coloring matter or dye extracted from this plant.

\Weld\, v. t. [imp. & p. p. {Welded}; p. pr. & vb. n.
{Welding}.] [Probably originally the same word as well to
spring up, to gush; perhaps from the Scand.; cf. Sw. v["a]lla
to weld, uppv["a]lla to boil up, to spring up, Dan. v[ae]lde
to gush, G. wellen to weld. See {Well} to spring.]
1. To press or beat into intimate and permanent union, as two
   pieces of iron when heated almost to fusion.
Note: Very few of the metals, besides iron and platinum. are
      capable of being welded. Horn and tortoise shell
      possess this useful property.
2. Fig.: To unite closely or intimately.
         Two women faster welded in one love.  --Tennyson.

\Weld\, n.
The state of being welded; the joint made by welding.
{Butt weld}. See under {Butt}.
{Scarf weld}, a joint made by overlapping, and welding
   together, the scarfed ends of two pieces.