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Synonyms

plumb bob

American  

noun

  1. plummet.


plumb bob British  

noun

  1. the weight, usually of lead, at the end of a plumb line; plummet

"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 plumb bob

First recorded in 1825–35

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