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plumb bob

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noun
  1. plummet(def 1).
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Origin of plumb bob

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

bobleadplumbplummet

Examples from the Web for plumb-bob

Historical Examples

  • And at last he was dangling at the end of the rope like a plumb-bob.

    Hunters Out of Space

    Joseph Everidge Kelleam

  • Kear the end suspend a plumb-bob, and have it swing in a bucket of water.

  • For lines which are vertical, a weight called a plumb-bob must be attached to one end of the string.

  • The work was well advanced, Ñor Juan with his mile and plumb-bob coming and going among the numerous laborers.

  • With a tape line, gimlet, and plumb-bob, a mechanic is fully equipped with tools to get his measurements.


British Dictionary definitions for plumb-bob

plumb bob

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

Word Origin and History for plumb-bob

n.

1835, from plumb (n.) + bob (n.1).

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Online Etymology Dictionary, © 2010 Douglas Harper