# welder

/ˈwɛɫdɝ/ (US) · /wˈɛldɐ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/welder
Updated: 2026-05-19

## Definition

a person who joins metal pieces together by heating them until they melt and then cool. You usually see them working on cars or heavy machines.

For teachers: a person who joins metal parts by heating them to a molten state and allowing them to fuse. Often refers to a skilled tradesperson in manufacturing or construction.

## Examples

- The welder fixed the broken frame of the old car.
- A professional welder is required to repair the structural beams of the bridge after the storm caused minor damage.
- The welder used a high-powered torch to join the steel plates, ensuring the joint was strong enough to withstand the extreme pressure of the deep-sea vessel.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.