plumb bob


plumb bob
noun
the metal bob of a plumb line
Syn: ↑plumb, ↑plummet
Derivationally related forms: ↑plumb (for: ↑plumb)
Hypernyms: ↑bob
Part Holonyms: ↑plumb line, ↑perpendicular

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noun
: the usually conoidal and metal bob of a plumb line

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plummet (def. 1).
[1825-35]

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plumb bob noun
A weight at the end of a plumb line
• • •
Main Entry:plumb

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plumb bob,
the weight at the end of a plumb line.

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n. a bob of lead or other heavy material forming the weight of a plumb line

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noun, pl ⋯ bobs [count]
US
1 : a usually small, heavy object that is used to make a string or rope hang straight : the heavy object that is part of a plumb line — called also bob
2 :plumb line

Useful english dictionary. 2012.

Look at other dictionaries:

  • Plumb bob — Plumb Plumb (pl[u^]m), n. [F. plomb, L. plumbum lead, a leaden ball or bullet; cf. Gr. mo lybos, mo libos, mo lybdos. Cf. {Plummet}, {Plunge}.] A little mass or weight of lead, or the like, attached to a line, and used by builders, etc., to… …   The Collaborative International Dictionary of English

  • plumb bob — n. PLUMB (n.) …   English World dictionary

  • plumb bob — plumb′ bob n. bui sur plummet 1) • Etymology: 1825–35 …   From formal English to slang

  • Plumb-bob — A plumb bob or a plummet is a weight with a pointed tip on the bottom that is suspended from a string and used as a vertical reference line.This instrument has been used since the time of the ancient Egyptians by bricklayers, masons, and… …   Wikipedia

  • plumb-bob — /ˈplʌm bɒb/ (say plum bob) noun a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line. Also, plummet …   Australian English dictionary

  • plumb bob — noun Date: circa 1840 the metal bob of a plumb line …   New Collegiate Dictionary

  • plumb bob — noun a bob of lead or other heavy material forming the weight of a plumb line …   English new terms dictionary

  • plumb bob — noun A metal weight attached to the end of a plumb line …   Wiktionary

  • plumb bob — plummet (def. 1). [1825 35] * * * …   Universalium

  • plumb-bob — …   Useful english dictionary


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