Definition of welders:
(n) :
One who welds, that is, unites pieces of steel, aluminum, or other metals by welding.
(n) :
A machine that welds.
(n) :
A machine that a human operator uses for welding.
(n) :
A robotic machine that welds automatically.
(n) :
One who welds, that is, wields.
(n) :
A manager; an actual occupant; a land-tenant holding under the farmer or middleman.