[ pluhm-ing ]
/ ˈplʌm ɪŋ /


the system of pipes and other apparatus for conveying water, liquid wastes, etc., as in a building.
the work or trade of a plumber.
act of a person who plumbs, as in ascertaining depth.

Origin of plumbing

First recorded in 1660–70; plumb + -ing1

Definition for plumbing (2 of 2)

Origin of plumb

1250–1300; Middle English plumbe, probably < Anglo-French *plombe < Vulgar Latin *plumba, for Latin plumbum lead
Related forms
Can be confusedplum plumb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for plumbing

British Dictionary definitions for plumbing (1 of 2)


/ (ˈplʌmɪŋ) /


Also called: plumbery the trade or work of a plumber
the pipes, fixtures, etc, used in a water, drainage, or gas installation
the act or procedure of using a plumb to gauge depth, a vertical, etc

British Dictionary definitions for plumbing (2 of 2)

Derived Formsplumbable, adjective

Word Origin for plumb

C13: from Old French plomb (unattested) lead line, from Old French plon lead, from Latin plumbum lead
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