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plumber

American  
[pluhm-er] / ˈplʌm ər /

noun

  1. a person who installs and repairs piping, fixtures, appliances, and appurtenances in connection with the water supply, drainage systems, etc., both in and out of buildings.

  2. Slang. an undercover operative or spy hired to detect or stop leaks of news or secret information, often using questionable or illegal methods, as illegal entry or wiretapping.

  3. Obsolete. a worker in lead or similar metals.

plumber British  
/ ˈplʌmə /

noun

  1. a person who installs and repairs pipes, fixtures, etc, for water, drainage, and gas

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of plumber

1375–1425; 1965–70 plumber for def. 2; late Middle English, spelling variant of Middle English plowber ≪ Late Latin plumbārius leadworker; replacing Middle English plummer < Anglo-French; Old French plummier < Latin, as above. See plumb, -er 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.