Share this entry

Share this page

plumb bob

Line breaks: plumb bob

Definition of plumb bob in English:

noun

A bob of lead or other heavy material forming the weight of a plumb line.
Example sentences
  • Here, three metal rods ran across a corner of the gallery, each supporting a large pulley wheel and a piece of canvas strap to which were attached a plumb bob and a weight.
  • More than 2,000 years ago the Mayans used plumb bobs and chalk lines in building carved columns so finely that a row of hundreds of these would disappear behind the first one.
  • They include a mason's kit with various shapes for cutting limestone and finishing masonry work and mortar; a plumb bob fastened from limestone; and tools for cutting, scraping, chiseling, planing, and sawing wood.

Definition of plumb bob in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tenebrous
Pronunciation: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure