Welder \Weld"er\, n. One who welds, or unites pieces of iron, etc., by welding.
Source: Webster's Revised Unabridged Dictionary (1913)
Welder \Weld"er\, n.1. One who welds, or wields. [Obs.]
2. A manager; an actual occupant. [Ireland. Obs.] ``The welder . . . who . . . lives miserably.'' --Swift.