welder
n.n. 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.
n. 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.
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.
From weld + -er.
Of Irish origin.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Last updated May 19, 2026