weld

¹ American  

[weld] / wɛld /

verb (used with object)

1. to unite or fuse (as pieces of metal) by hammering, compressing, or the like, especially after rendering soft or pasty by heat, and sometimes with the addition of fusible material like or unlike the pieces to be united.

2. to bring into complete union, harmony, agreement, etc.

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verb (used without object)

1. to undergo welding; be capable of being welded.

   a metal that welds easily.

noun

1. a welded junction or joint.

2. the act of welding or the state of being welded.

weld ² American  

[weld] / wɛld /

noun

1. a mignonette, Reseda luteola, of southern Europe, yielding a yellow dye.

2. the dye.

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Weld ³ American  

[weld] / wɛld /

noun

1. Theodore Dwight, 1803–95, U.S. abolitionist leader.

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weld ¹ British  

/ wɛld /

verb

1. (tr) to unite (pieces of metal or plastic) together, as by softening with heat and hammering or by fusion

2. to bring or admit of being brought into close association or union

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noun

1. a joint formed by welding

weld ² British  

/ wəʊld, wɛld /

noun

1. a yellow dye obtained from the plant dyer's rocket

2. another name for dyer's rocket

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Weld ³ British  

/ wɛld /

noun

1. Sir Frederick Aloysius. 1823–91, New Zealand statesman, born in England: prime minister of New Zealand (1864–65)

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Other Word Forms

• unweldable adjective
• unwelded adjective
• weldability noun
• weldable adjective
• welder noun
• weldless adjective
• weldor noun

Etymology

Origin of weld¹

First recorded in 1590–1600; variant of well ² in the obsolete sense “to boil, rise,” influenced by past participle welled

Origin of weld²

1325–75; Middle English welde; cognate with Middle Low German walde, Middle Dutch woude

Example Sentences

You cannot weld a reactor vessel with one.

From MarketWatch • Mar. 26, 2026

The crack may have resulted from "a poor weld or a weld that deteriorated due to train traffic or weather", daily newspaper El Mundo said, citing unidentified technicians with access to the inquiry.

From Barron's • Jan. 21, 2026

The vessel was removed from service on Friday after a crack was found on a "weld seam close to the waterline".

From BBC • Mar. 15, 2025

While working as a salesperson at a small family-run furniture store, she learned to weld and sharpen her building skills during off hours.

From Los Angeles Times • Feb. 19, 2025

Tony and Shawn had left the mountain, but they’d left to do what my father had taught them to do: drive semis, weld, scrap.

From "Educated" by Tara Westover

Related Words

• fuse
• solder