weld

1 of 2

verb

welded; welding; welds
Synonyms of weldnext

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
The idea is to remotely control or physically guide the robot’s arm to teach it a task like wiping a table, stacking boxes, or welding a car component. Jacek Krywko, ArsTechnica, 26 Apr. 2026 The Pineland Road fire most likely started when somebody was doing welding work on their gate and a spark fell to the ground, according to Kemp. Jeanine Santucci, USA Today, 25 Apr. 2026
Noun
The welds could potentially fail during a collision. Fernando Cervantes Jr, USA Today, 1 Apr. 2026 These materials are known for their strength at high temperatures, but verifying the quality of the welds between them remained a gap. Sujita Sinha, Interesting Engineering, 24 Mar. 2026 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 28 Apr. 2026.

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

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