weld

1 of 2

verb

welded; welding; welds

intransitive verb

: to become or be capable of being welded

transitive verb

1
a
: to unite (metallic parts) by heating and allowing the metals to flow together or by hammering or compressing with or without previous heating
b
: to unite (plastics) in a similar manner by heating
c
: to repair (something) by this method
d
: to produce or create as if by such a process
2
: to unite or reunite closely or intimately
architecture that welds the past and the present
weldable adjective

weld

2 of 2

noun

1
: a welded joint
2
: union by welding : the state or condition of being welded

Examples of weld in a Sentence

Verb She learned how to weld. We welded the beams together. They were welded together in friendship. His style of painting welds impressionism with surrealism.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Robots have long been the backbone of manufacturing—welding car frames, assembling electronics and executing repetitive tasks with machine-like precision. Ashutosh Saxena, Forbes.com, 29 Aug. 2025 In the aerospace sector, for instance, the team used the tech to weld closed, rotationally symmetric tank structures. Georgina Jedikovska, Interesting Engineering, 29 Aug. 2025
Noun
Developed by the Fraunhofer Institute for Material and Beam Technology IWS in Dresden, the process uses dynamic beam shaping to control the melt pool, reduce pores, and stabilize welds. Georgina Jedikovska, Interesting Engineering, 29 Aug. 2025 Fewer parts, fewer welds, the removal of 4,000 feet of wiring and other changes in Ford's new process are meant to make production easier and faster, executives said. Connor Giffin, The Courier-Journal, 13 Aug. 2025 See All Example Sentences for weld

Word History

Etymology

Verb

alteration of obsolete English well to weld, from Middle English wellen to boil, well, weld — more at well

First Known Use

Verb

1599, in the meaning defined at intransitive sense

Noun

1831, in the meaning defined at sense 1

Time Traveler
The first known use of weld was in 1599

Browse Nearby Words

Cite this Entry

“Weld.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/weld. Accessed 6 Sep. 2025.

Kids Definition

weld

1 of 2 verb
1
: to join pieces of metal or plastic by heating and allowing the edges to flow together or by hammering or pressing together
2
: to join as if by welding
welded together in friendship
3
: to become or be capable of being welded
certain metals weld easily
welder noun

weld

2 of 2 noun
1
: a welded joint
2
: union by welding

More from Merriam-Webster on weld

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