Definition of plumb bob in English:

plumb bob

Syllabification: plumb bob

noun

  • A bob of lead or other heavy material forming the weight of a plumb line.
    More 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.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw