plumb
plumb definition
plumb (plum)
noun
a lead weight (plumb bob) hung at the end of a line (plumb line), used to determine how deep water is or whether a wall, etc. is vertical
Etymology: ME plumbe < MFr plomb < L plumbum, lead < non-IE source > Gr molybdos
adjective
perfectly vertical; straight down
adverb
- in a vertical direction; straight down
- Informal entirely; wholly; absolutely plumb tired out
intransitive verb
Informal to work as a plumber
Etymology: ME plumben
transitive verb
- to test or sound with a plumb
- to discover the facts or contents of; fathom; solve; understand
- to make vertical
- to weight or seal with lead
- to equip with plumbing
plumb Idioms
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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