plumber
n.— «I was a flight engineer for two carriers while I waited for a flying position, and wore three stripes at both airlines. The slang aviation term “plumber” refers to a flight engineer.» —“Scrambled eggs on my hat” by Meryl Getline USA Today June 19, 2006. (source: Double-Tongued Dictionary)
Further reading
Samantha Harvey’s novel Orbital is a sensuous, exhilarating meditation about the strangeness of life on a space station, with its mix of tedious tasks and jaw-dropping views. And: a musician who rode the rails in his youth shares the slang he...
Steve, a singer-songwriter from Rock Springs, Wyoming, shares some slang he picked up while months riding the rails and busking. Spanging refers to panhandling, from asking for “spare change.” The term bull refers to a type of security...
Plumber is also a term used to refer to chemical engineers by chemists..