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. välla to weld, uppvälla to boil
up, to spring up, Dan. vælde 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.
☞ 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.