society > occupation and work > worker > workers according to type of work > manual or industrial worker > utility service workers > [noun] > plumber (6)
Originally: a person who deals with or works in lead. Subsequently: a person who fits or repairs the pipes (originally made of lead), fittings, and…
A person employed to install pipes; a plumber.
one whose profession is the design, construction, or maintenance of sanitary appliances or sewerage; a plumber.