a person who unites or fuses pieces of metal by hammering, compressing, or the like, usually after softening them by heat: Our machinists and welders take your metal project from 3D image to the real thing.
a tool or machine used to unite or fuse pieces of metal: The portable spot welder is connected by a long cable so you can take it to wherever it’s needed.
a person or thing that unites other people or things harmoniously: She’s a great welder of ideas, writing in a way that revives the best from the past and applies it to today’s issues.
- Rarely weld·or .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use welder in a sentence
Over time, molecules may slip through tiny cracks in the welds, ruining that vacuum.Want to Get Outside All Winter? Bring Your Thermos. | AC Shilton | November 29, 2020 | Outside Online
One old soldier is on the path to a doctorate in mathematics and another is a trained underwater welder.
When I arrived at the apartment, a welder was busy putting it back together.
It would distinguish between a 47-year-old unemployed welder and a 27-year-old underemployed college grad.
Then “the remainder fused together, as if hit by a giant welder.”
The electric welder (Figure 42) is built to hold the parts to be joined between two heavy copper dies or contacts.
An auxiliary switch is connected to the welder switch so that both switches act together.
To locate a ground in the regulator or other part, disconnect the lines running to the welder from the switch.
Place a piece of wood or fibre between the welding dies in the welder as though you were going to weld them.
Take the other end of the cord in the hand and press it against some part of the welder frame where the metal is clean and bright.