The process used to join two pieces of metal more or less permanently. Involves using heat to melt the two pieces together, and using some sort of filler to take up space. See also arc welder, mig welder

Weld (?), v. t.

To wield.




© Webster 1913.

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.]


Coloring matter or dye extracted from this plant.


© Webster 1913.

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. valla to weld, uppvalla to boil up, to spring up, Dan. vaelde to gush, G. wellen to weld. See Well to spring.]


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.


Fig.: To unite closely or intimately.

Two women faster welded in one love. Tennyson.


© Webster 1913.

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.


© Webster 1913.

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